DOI:
        10.1055/s-00000012
      
      
        Endoscopy
      
      
        
          
            Issue 05 ·
           Volume 52 ·
           May 2020
            
          
           DOI: 10.1055/s-010-47239 
          
          
          
  
    
      
    
  
  
        
        
  
  
    
  
  
  
    
  
  
  
    
  
  
  
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
        
          
            
              
              
              
                
                  
                    
                    
                      
                          
                          
                            
                            Cover image
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        327
      
    
  
  
  
                      
                          
                          
                            
                            Systematic review
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        338
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Su, Ying-Fong; 
              
            
          
            
              
              Cheng, Sheng-Wei; 
              
            
          
            
              
              Chang, Chun Chao; 
              
            
          
            
              
              Kang, Yi-No: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                            
                            Editorial
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        328
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Saito, Yutaka; 
              
            
          
            
              
              Parra-Blanco, Adolfo: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Original article
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        349
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Shen, Shanshan; 
              
            
          
            
              
              Luo, Hui; 
              
            
          
            
              
              Vachaparambil, Cicily; 
              
            
          
            
              
              Mekaroonkamol, Parit; 
              
            
          
            
              
              Abdelfatah, Mohamed M.; 
              
            
          
            
              
              Xu, Guifang; 
              
            
          
            
              
              Chen, Huimin; 
              
            
          
            
              
              Xia, Liang; 
              
            
          
            
              
              Shi, Hong; 
              
            
          
            
              
              Keilin, Steve; 
              
            
          
            
              
              Willingham, Field; 
              
            
          
            
              
              Christie, Jennifer; 
              
            
          
            
              
              Lin, Edward; 
              
            
          
            
              
              Cai, Qiang: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
      
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                            
                            Editorial
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        330
      
    
  
  
  
                      
                          
                          
                            
                            Author commentary
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        v16
      
    
  
  
  
                      
                          
                          
                            
                            Original article
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        359
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Kim, Young-Il; 
              
            
          
            
              
              Choi, Il Ju; 
              
            
          
            
              
              Lee, Jong Yeul; 
              
            
          
            
              
              Kim, Chan Gyoo; 
              
            
          
            
              
              Kim, Hark Kyun; 
              
            
          
            
              
              Park, Young Lee: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
      
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                            
                            Editorial
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        332
      
    
  
  
  
                      
                          
                          
                            
                            Author commentary
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        v17
      
    
  
  
  
                      
                          
                          
                            
                            Original article
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        368
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Sato, Tatsuya; 
              
            
          
            
              
              Kogure, Hirofumi; 
              
            
          
            
              
              Nakai, Yousuke; 
              
            
          
            
              
              Ishigaki, Kazunaga; 
              
            
          
            
              
              Hakuta, Ryunosuke; 
              
            
          
            
              
              Saito, Kei; 
              
            
          
            
              
              Saito, Tomotaka; 
              
            
          
            
              
              Takahara, Naminatsu; 
              
            
          
            
              
              Hamada, Tsuyoshi; 
              
            
          
            
              
              Mizuno, Suguru; 
              
            
          
            
              
              Tada, Minoru; 
              
            
          
            
              
              Isayama, Hiroyuki; 
              
            
          
            
              
              Koike, Kazuhiko: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                            
                            Editorial
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        334
      
    
  
  
  
                      
                          
                          
                            
                            Innovations and brief communication 
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        377
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Wichmann, Dörte; 
              
            
          
            
              
              Stüker, Dietmar; 
              
            
          
            
              
              Schempf, Ulrike; 
              
            
          
            
              
              Werner, Christoph R.; 
              
            
          
            
              
              Steger, Volker; 
              
            
          
            
              
              Königsrainer, Alfred; 
              
            
          
            
              
              Schweizer, Ulrich; 
              
            
          
            
              
              Archid, Rami: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Author commentary
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        v18
      
    
  
  
  
                      
                          
                          
                            
                            Innovations and brief communication
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        383
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Faller, Julien; 
              
            
          
            
              
              Jacques, Jérémie; 
              
            
          
            
              
              Oung, Borathchakra; 
              
            
          
            
              
              Legros, Romain; 
              
            
          
            
              
              Rivory, Jérôme; 
              
            
          
            
              
              Subtil, Fabien; 
              
            
          
            
              
              Saurin, Jean-Christophe; 
              
            
          
            
              
              Robinson, Philip; 
              
            
          
            
              
              Ponchon, Thierry; 
              
            
          
            
              
              Pioche, Mathieu: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                            
                            Author commentary
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        v19
      
    
  
  
  
                      
                          
                          
                            
                            Editorial
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        336
      
    
  
  
  
                      
                          
                          
                            
                            Guideline
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        389
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              van Hooft, Jeanin E.; 
              
            
          
            
              
              Veld, Joyce V.; 
              
            
          
            
              
              Arnold, Dirk; 
              
            
          
            
              
              Beets-Tan, Regina G.H.; 
              
            
          
            
              
              Everett, Simon; 
              
            
          
            
              
              Götz, Martin; 
              
            
          
            
              
              van Halsema, Emo E.; 
              
            
          
            
              
              Hill, James; 
              
            
          
            
              
              Manes, Gianpiero; 
              
            
          
            
              
              Meisner, Soren; 
              
            
          
            
              
              Rodrigues-Pinto, Eduardo; 
              
            
          
            
              
              Sabbagh, Charles; 
              
            
          
            
              
              Vandervoort, Jo; 
              
            
          
            
              
              Tanis, Pieter J.; 
              
            
          
            
              
              Vanbiervliet, Geoffroy; 
              
            
          
            
              
              Arezzo, Alberto: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                            
                            E-Videos
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        409
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Quénéhervé, Lucille; 
              
            
          
            
              
              Le Bras, Pierrine; 
              
            
          
            
              
              Le Rhun, Marianne; 
              
            
          
            
              
              Coron, Emmanuel: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        410
      
    
  
  
  
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        411
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Lopez-Nava, Gontrand; 
              
            
          
            
              
              Asokkumar, Ravishankar; 
              
            
          
            
              
              Bautista, Inmaculada; 
              
            
          
            
              
              Negi, Anuradha: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        412
      
    
  
  
  
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        413
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Mangiavillano, Benedetto; 
              
            
          
            
              
              Auriemma, Francesco; 
              
            
          
            
              
              Bianchetti, Mario; 
              
            
          
            
              
              Maselli, Roberta; 
              
            
          
            
              
              Galtieri, Alessia; 
              
            
          
            
              
              Repici, Alessandro: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        414
      
    
  
  
  
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E150
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Saito, Tomotaka; 
              
            
          
            
              
              Kanai, Sachiko; 
              
            
          
            
              
              Hamada, Tsuyoshi; 
              
            
          
            
              
              Kogure, Hirofumi; 
              
            
          
            
              
              Nakai, Yousuke; 
              
            
          
            
              
              Koike, Kazuhiko: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E152
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Minaga, Kosuke; 
              
            
          
            
              
              Takenaka, Mamoru; 
              
            
          
            
              
              Okamoto, Ayana; 
              
            
          
            
              
              Omoto, Shunsuke; 
              
            
          
            
              
              Kamata, Ken; 
              
            
          
            
              
              Yamao, Kentaro; 
              
            
          
            
              
              Kudo, Masatoshi: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E154
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Dawod, Qais; 
              
            
          
            
              
              Issa, Danny; 
              
            
          
            
              
              Sharaiha, Reem Z.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E156
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Ishiwatari, Hirotoshi; 
              
            
          
            
              
              Satoh, Tatsunori; 
              
            
          
            
              
              Sato, Junya; 
              
            
          
            
              
              Kaneko, Junichi; 
              
            
          
            
              
              Ohgi, Katsuhisa; 
              
            
          
            
              
              Matsubayashi, Hiroyuki; 
              
            
          
            
              
              Uesaka, Katsuhiko: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E158
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Yoshida, Michihiro; 
              
            
          
            
              
              Naitoh, Itaru; 
              
            
          
            
              
              Yamada, Ruriko; 
              
            
          
            
              
              Hayashi, Kazuki; 
              
            
          
            
              
              Natsume, Makoto; 
              
            
          
            
              
              Hori, Yasuki; 
              
            
          
            
              
              Kataoka, Hiromi: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E160
      
    
  
  
  
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E162
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Cheung, Ronald L. Y.; 
              
            
          
            
              
              Chan, Shannon M.; 
              
            
          
            
              
              Yip, Hon C.; 
              
            
          
            
              
              Teoh, Anthony Y. B.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E164
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Kubota, Yo; 
              
            
          
            
              
              Yamauchi, Hiroshi; 
              
            
          
            
              
              Nakatani, Kento; 
              
            
          
            
              
              Tanabe, Satoshi; 
              
            
          
            
              
              Koizumi, Wasaburo: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E166
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Chon, Seung-Hun; 
              
            
          
            
              
              Bartella, Isabel; 
              
            
          
            
              
              Bürger, Martin; 
              
            
          
            
              
              Rieck, Isabel; 
              
            
          
            
              
              Goeser, Tobias; 
              
            
          
            
              
              Schröder, Wolfgang; 
              
            
          
            
              
              Bruns, Christiane Josephine: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E168
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Li, Wen; 
              
            
          
            
              
              Liu, Fang; 
              
            
          
            
              
              Wu, Liang: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E170
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Keane, Margaret G.; 
              
            
          
            
              
              Barbouti, Omar; 
              
            
          
            
              
              Reffitt, David; 
              
            
          
            
              
              Joshi, Deepak; 
              
            
          
            
              
              Gregory, Stephen; 
              
            
          
            
              
              Prachalias, Andreas; 
              
            
          
            
              
              Devlin, John: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E172
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Pontecorvi, Valerio; 
              
            
          
            
              
              Dioscoridi, Lorenzo; 
              
            
          
            
              
              Forti, Edoardo; 
              
            
          
            
              
              Cintolo, Marcello; 
              
            
          
            
              
              Giannetti, Aurora; 
              
            
          
            
              
              Vagnarelli, Simone; 
              
            
          
            
              
              Mutignani, Massimiliano: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E174
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Tamura, Takashi; 
              
            
          
            
              
              Kitano, Masayuki; 
              
            
          
            
              
              Kawai, Manabu; 
              
            
          
            
              
              Itonaga, Masahiro; 
              
            
          
            
              
              Okada, Ken-ichi; 
              
            
          
            
              
              Yamaue, Hiroki: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E176
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Lim, Jihye; 
              
            
          
            
              
              So, Hoonsub; 
              
            
          
            
              
              Ko, Sung W.; 
              
            
          
            
              
              Hwang, Jun S.; 
              
            
          
            
              
              Song, Tae J.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E178
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Fujita, Kinya; 
              
            
          
            
              
              Takeshita, Masahiro; 
              
            
          
            
              
              Moriyama, Eiji; 
              
            
          
            
              
              Ochiai, Satoshi: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E181
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Diaconu, Cătălina; 
              
            
          
            
              
              Ciocîrlan, Mihai; 
              
            
          
            
              
              Ilie, Mădălina; 
              
            
          
            
              
              Sandru, Vasile; 
              
            
          
            
              
              Balaban, Daniel Vasile; 
              
            
          
            
              
              Plotogea, Oana; 
              
            
          
            
              
              Diculescu, Mircea: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E183
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Lamberts, Mark P.; 
              
            
          
            
              
              de Leest, Helena T. J. I.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Letter to the editor
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        415
      
    
  
  
  
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        416
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Kurita, Akira; 
              
            
          
            
              
              Yazumi, Shujiro: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Featured articles
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        418
      
    
  
  
  
                      
                          
                          
                            
                            Newsletter
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        420
      
    
  
  
  
                      
                          
                          
                            
                            Correction
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        C3
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Wichmann, Dörte; 
              
            
          
            
              
              Stüker, Dietmar; 
              
            
          
            
              
              Schempf, Ulrike; 
              
            
          
            
              
              Werner, Christoph R.; 
              
            
          
            
              
              Steger, Volker; 
              
            
          
            
              
              Königsrainer, Alfred; 
              
            
          
            
              
              Schweizer, Ulrich; 
              
            
          
            
              
              Archid, Rami: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        C5
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Shen, Shanshan; 
              
            
          
            
              
              Luo, Hui; 
              
            
          
            
              
              Vachaparambil, Cicily; 
              
            
          
            
              
              Mekaroonkamol, Parit; 
              
            
          
            
              
              Abdelfatah, Mohamed M.; 
              
            
          
            
              
              Xu, Guifang; 
              
            
          
            
              
              Chen, Huimin; 
              
            
          
            
              
              Xia, Liang; 
              
            
          
            
              
              Shi, Hong; 
              
            
          
            
              
              Keilin, Steve; 
              
            
          
            
              
              Willingham, Field; 
              
            
          
            
              
              Christie, Jennifer; 
              
            
          
            
              
              Lin, Edward; 
              
            
          
            
              
              Cai, Qiang: