DOI:
        10.1055/s-00025476
      
      
        Endoscopy International Open
      
      
        
          
            Issue 03 ·
           Volume 07 ·
           March 2019
            
          
           DOI: 10.1055/s-009-42541 
          
          
          
  
    
      
    
  
  
        
        
  
  
    
  
  
  
  
  
    
  
  
  
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
        
          
            
              
              
              
                
                  
                    
                    
                      
                          
                          
                            
                            Correction
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        C1
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Gerasia, Roberta; 
              
            
          
            
              
              Ligresti, Dario; 
              
            
          
            
              
              Cipolletta, Fabio; 
              
            
          
            
              
              Granata, Antonino; 
              
            
          
            
              
              Tarantino, Ilaria; 
              
            
          
            
              
              Barresi, Luca; 
              
            
          
            
              
              Amata, Michele; 
              
            
          
            
              
              Benenati, Sabrina; 
              
            
          
            
              
              Gallo, Giuseppe; 
              
            
          
            
              
              Tafaro, Corrado; 
              
            
          
            
              
              Miraglia, Roberto; 
              
            
          
            
              
              Traina, Mario: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Original article
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        E310
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Nalankilli, Kumanan; 
              
            
          
            
              
              Huynh, Xuan Thanh; 
              
            
          
            
              
              Lade, Stephen; 
              
            
          
            
              
              Stephens, Mark; 
              
            
          
            
              
              Hewett, Robert; 
              
            
          
            
              
              Moss, Alan: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E317
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Serrani, Marta; 
              
            
          
            
              
              Lisotti, Andrea; 
              
            
          
            
              
              Spada, Alessia; 
              
            
          
            
              
              Sferrazza, Sandro; 
              
            
          
            
              
              Calvanese, Claudio; 
              
            
          
            
              
              Fusaroli, Pietro: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E330
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Takashima, Kenji; 
              
            
          
            
              
              Oono, Yasuhiro; 
              
            
          
            
              
              Kojima, Motohiro; 
              
            
          
            
              
              Ikematsu, Hiroaki; 
              
            
          
            
              
              Akimoto, Tetsuo; 
              
            
          
            
              
              Yano, Tomonori: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E337
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Aoki, Tomonori; 
              
            
          
            
              
              Nagata, Naoyoshi; 
              
            
          
            
              
              Yamada, Atsuo; 
              
            
          
            
              
              Shimbo, Takuro; 
              
            
          
            
              
              Matsushita, Yuuki; 
              
            
          
            
              
              Shimomura, Akira; 
              
            
          
            
              
              Kobayashi, Sakurako; 
              
            
          
            
              
              Moriyasu, Shiori; 
              
            
          
            
              
              Niikura, Ryota; 
              
            
          
            
              
              Sakurai, Toshiyuki; 
              
            
          
            
              
              Hirata, Yoshihiro; 
              
            
          
            
              
              Akiyama, Junichi; 
              
            
          
            
              
              Uemura, Naomi; 
              
            
          
            
              
              Koike, Kazuhiko: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E347
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Chen, Yen-I; 
              
            
          
            
              
              Yang, Juliana; 
              
            
          
            
              
              Friedland, Shai; 
              
            
          
            
              
              Holmes, Ian; 
              
            
          
            
              
              Law, Ryan; 
              
            
          
            
              
              Hosmer, Amy; 
              
            
          
            
              
              Stevens, Tyler; 
              
            
          
            
              
              Franco, Matheus C.; 
              
            
          
            
              
              Jang, Sunguk; 
              
            
          
            
              
              Pawa, Rishi; 
              
            
          
            
              
              Mathur, Nihar; 
              
            
          
            
              
              Sejpal, Divyesh V.; 
              
            
          
            
              
              Inamdar, Sumant; 
              
            
          
            
              
              Trindade, Arvind J.; 
              
            
          
            
              
              Nieto, Jose; 
              
            
          
            
              
              Berzin, Tyler M.; 
              
            
          
            
              
              Sawhney, Mandeep; 
              
            
          
            
              
              DeSimone, Michael L.; 
              
            
          
            
              
              DiMaio, Christopher; 
              
            
          
            
              
              Kumta, Nikhil A.; 
              
            
          
            
              
              Gupta, Sanchit; 
              
            
          
            
              
              Yachimski, Patrick; 
              
            
          
            
              
              Anderloni, Andrea; 
              
            
          
            
              
              Baron, Todd H.; 
              
            
          
            
              
              James, Theodore W.; 
              
            
          
            
              
              Jamil, Laith H.; 
              
            
          
            
              
              Ona, Mel A.; 
              
            
          
            
              
              Lo, Simon K.; 
              
            
          
            
              
              Gaddam, Srinivas; 
              
            
          
            
              
              Dollhopf, Markus; 
              
            
          
            
              
              Bukhari, Majidah A.; 
              
            
          
            
              
              Moran, Robert; 
              
            
          
            
              
              Gutierrez, Olaya Brewer; 
              
            
          
            
              
              Sanaei, Omid; 
              
            
          
            
              
              Fayad, Lea; 
              
            
          
            
              
              Ngamruengphong, Saowanee; 
              
            
          
            
              
              Kumbhari, Vivek; 
              
            
          
            
              
              Singh, Vikesh; 
              
            
          
            
              
              Repici, Alessandro; 
              
            
          
            
              
              Khashab, Mouen A.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E355
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Iizuka, Toshiro; 
              
            
          
            
              
              Kikuchi, Daisuke; 
              
            
          
            
              
              Hoteya, Shu: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E361
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Raju, Gottumukkala; 
              
            
          
            
              
              Lum, Phillip; 
              
            
          
            
              
              Ross, William; 
              
            
          
            
              
              Thirumurthi, Selvi; 
              
            
          
            
              
              Miller, Ethan; 
              
            
          
            
              
              Lynch, Patrick; 
              
            
          
            
              
              Lee, Jeffrey; 
              
            
          
            
              
              Bhutani, Manoop S.; 
              
            
          
            
              
              Shafi, Mehnaz A.; 
              
            
          
            
              
              Weston, Brian; 
              
            
          
            
              
              Blechacz, Boris; 
              
            
          
            
              
              Chang, George J; 
              
            
          
            
              
              Hagan, Katherine; 
              
            
          
            
              
              Rashid, Asif; 
              
            
          
            
              
              Davila, Marta; 
              
            
          
            
              
              Stroehlein, John: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E367
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Gerasia, Roberta; 
              
            
          
            
              
              Ligresti, Dario; 
              
            
          
            
              
              Cipolletta, Fabio; 
              
            
          
            
              
              Granata, Antonino; 
              
            
          
            
              
              Tarantino, Ilaria; 
              
            
          
            
              
              Barresi, Luca; 
              
            
          
            
              
              Amata, Michele; 
              
            
          
            
              
              Benenati, Sabrina; 
              
            
          
            
              
              Gallo, Giuseppe; 
              
            
          
            
              
              Tafaro, Corrado; 
              
            
          
            
              
              Miraglia, Roberto; 
              
            
          
            
              
              Traina, Mario: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E372
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Leenhardt, Romain; 
              
            
          
            
              
              Li, Cynthia; 
              
            
          
            
              
              Koulaouzidis, Anastasios; 
              
            
          
            
              
              Cavallaro, Flaminia; 
              
            
          
            
              
              Cholet, Franck; 
              
            
          
            
              
              Eliakim, Rami; 
              
            
          
            
              
              Fernandez-Urien, Ignacio; 
              
            
          
            
              
              Kopylov, Uri; 
              
            
          
            
              
              McAlindon, Mark; 
              
            
          
            
              
              Németh, Artur; 
              
            
          
            
              
              Plevris, John N.; 
              
            
          
            
              
              Rahmi, Gabriel; 
              
            
          
            
              
              Rondonotti, Emanuele; 
              
            
          
            
              
              Saurin, Jean-Christophe; 
              
            
          
            
              
              Tontini, Gian Eugenio; 
              
            
          
            
              
              Toth, Ervin; 
              
            
          
            
              
              Yung, Diana; 
              
            
          
            
              
              Marteau, Philippe; 
              
            
          
            
              
              Dray, Xavier: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Review
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        E322
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Aghaie Meybodi, Mohamad; 
              
            
          
            
              
              Qumseya, Bashar J.; 
              
            
          
            
              
              Shakoor, Delaram; 
              
            
          
            
              
              Lobner, Katie; 
              
            
          
            
              
              Vosoughi, Kia; 
              
            
          
            
              
              Ichkhanian, Yervant; 
              
            
          
            
              
              Khashab, Mouen A.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Case report
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        E380
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Mazzawi, Tarek; 
              
            
          
            
              
              Markhus, Carl Erik; 
              
            
          
            
              
              Havre, Roald F.; 
              
            
          
            
              
              Do-Cong Pham, Khanh: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Editorial
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        E384
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Sonnenberg, Amnon; 
              
            
          
            
              
              Pohl, Heiko: