DOI:
        10.1055/s-00025476
      
      
        Endoscopy International Open
      
      
        
          
            Issue 05 ·
           Volume 08 ·
           May 2020
            
          
           DOI: 10.1055/s-010-47728 
          
          
          
  
    
      
    
  
  
        
        
  
  
    
  
  
  
  
  
    
  
  
  
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
        
          
            
              
              
              
                
                  
                    
                    
                      
                          
                          
                            
                            Case report
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        E573
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Bureau, Marc-Andre; 
              
            
          
            
              
              Gkolfakis, Paraskevas; 
              
            
          
            
              
              Blero, Daniel; 
              
            
          
            
              
              Pezzullo, Martina; 
              
            
          
            
              
              Devière, Jacques; 
              
            
          
            
              
              Lemmers, Arnaud: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E668
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Trikudanathan, Guru; 
              
            
          
            
              
              Hashmi, Hiba; 
              
            
          
            
              
              Dirweesh, Ahmed; 
              
            
          
            
              
              Amateau, Stuart; 
              
            
          
            
              
              Azeem, Nabeel; 
              
            
          
            
              
              Mallery, Shawn; 
              
            
          
            
              
              Freeman, Martin L.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Review
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        E578
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Resende, Ricardo Hannum; 
              
            
          
            
              
              Ribeiro, Igor Braga; 
              
            
          
            
              
              de Moura, Diogo Turiani Hourneaux; 
              
            
          
            
              
              Galetti, Facundo; 
              
            
          
            
              
              Rocha, Rodrigo Silva de Paula; 
              
            
          
            
              
              Bernardo, Wanderley Marques; 
              
            
          
            
              
              Sakai, Paulo; 
              
            
          
            
              
              de Moura, Eduardo Guimarães Hourneaux: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E656
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Westerveld, Donevan R.; 
              
            
          
            
              
              Ponniah, Sandeep A.; 
              
            
          
            
              
              Draganov, Peter V.; 
              
            
          
            
              
              Yang, Dennis: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E673
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Sharma, Prateek; 
              
            
          
            
              
              Burke, Carol A.; 
              
            
          
            
              
              Johnson, David A.; 
              
            
          
            
              
              Cash, Brooks D.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Innovation forum
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        E591
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Nagami, Yasuaki; 
              
            
          
            
              
              Ominami, Masaki; 
              
            
          
            
              
              Sakai, Taishi; 
              
            
          
            
              
              Fukunaga, Shusei; 
              
            
          
            
              
              Tanaka, Fumio; 
              
            
          
            
              
              Taira, Koichi; 
              
            
          
            
              
              Tanigawa, Tetsuya; 
              
            
          
            
              
              Lee, Shigeru; 
              
            
          
            
              
              Watanabe, Toshio; 
              
            
          
            
              
              Fujiwara, Yasuhiro: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E607
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Kaan, Hung Leng; 
              
            
          
            
              
              Phan, Phuoc Thien; 
              
            
          
            
              
              Tiong, Anthony Meng Huat; 
              
            
          
            
              
              Miyasaka, Muneaki; 
              
            
          
            
              
              Phee, Soo Jay; 
              
            
          
            
              
              Ho, Khek Yu: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E623
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Morisawa, Toshiyuki; 
              
            
          
            
              
              Okada, Akihiko; 
              
            
          
            
              
              Kataoka, Yuuki; 
              
            
          
            
              
              Masaki, Sho; 
              
            
          
            
              
              Hayashi, Takayuki: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Editorial
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        E596
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
          
          
            
              
              de Moura, Eduardo Guimarães Hourneaux: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E699
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Ponchon, Thierry; 
              
            
          
            
              
              Chaussade, Stanislas: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                            
                            Original article
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        E598
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Radadiya, Dhruvil; 
              
            
          
            
              
              Gonzalez-Estrada, Alexei; 
              
            
          
            
              
              Lira-Vera, Jorge Emilio; 
              
            
          
            
              
              Lizarrga-Torres, Katia; 
              
            
          
            
              
              Mahapatra, Shayan Sinha; 
              
            
          
            
              
              Murguia-Fuentes, Ricardo; 
              
            
          
            
              
              Niezen, Sebastian; 
              
            
          
            
              
              Mohan, Kaushik; 
              
            
          
            
              
              Reddy, Chakradhar; 
              
            
          
            
              
              Devani, Kalpit: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E611
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Guillaumot, Marie-Anne; 
              
            
          
            
              
              Barret, Maximilien; 
              
            
          
            
              
              Jacques, Jérémie; 
              
            
          
            
              
              Legros, Romain; 
              
            
          
            
              
              Pioche, Mathieu; 
              
            
          
            
              
              Rivory, Jérome; 
              
            
          
            
              
              Rahmi, Gabriel; 
              
            
          
            
              
              Lepilliez, Vincent; 
              
            
          
            
              
              Chabrun, Edouard; 
              
            
          
            
              
              Leblanc, Sarah; 
              
            
          
            
              
              Chaussade, Stanislas: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E617
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Laiyemo, Adeyinka O.; 
              
            
          
            
              
              Idowu, Kolapo A.; 
              
            
          
            
              
              Burnside, Clinton; 
              
            
          
            
              
              Williams, Carla D.; 
              
            
          
            
              
              Jack, Momodu; 
              
            
          
            
              
              Mekasha, Getachew; 
              
            
          
            
              
              Ashktorab, Hassan; 
              
            
          
            
              
              Brim, Hassan; 
              
            
          
            
              
              Lee, Edward L.; 
              
            
          
            
              
              Sanderson, Andrew K.; 
              
            
          
            
              
              Kibreab, Angesom; 
              
            
          
            
              
              Kwagyan, John: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E628
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Epstein, Michael S.; 
              
            
          
            
              
              Benamouzig, Robert; 
              
            
          
            
              
              Halonen, Juha; 
              
            
          
            
              
              Bisschops, Raf: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E636
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Capurso, Gabriele; 
              
            
          
            
              
              Archibugi, Livia; 
              
            
          
            
              
              Petrone, Maria Chiara; 
              
            
          
            
              
              Arcidiacono, Paolo Giorgio: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E644
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Tyberg, Amy; 
              
            
          
            
              
              Raijman, Isaac; 
              
            
          
            
              
              Novikov, Aleksey A.; 
              
            
          
            
              
              Sejpal, Divyesh V.; 
              
            
          
            
              
              Benias, Petros C.; 
              
            
          
            
              
              Trindade, Arvind J.; 
              
            
          
            
              
              Das, Ananya; 
              
            
          
            
              
              Sachdev, Mankanwal; 
              
            
          
            
              
              Khosravi, Farhoud; 
              
            
          
            
              
              Tarnasky, Paul; 
              
            
          
            
              
              Kedia, Prashant; 
              
            
          
            
              
              Gaidhane, Monica; 
              
            
          
            
              
              Kahaleh, Michel; 
              
            
          
            
              
              Joshi, Virendra: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E650
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Brewer Gutierrez, Olaya I.; 
              
            
          
            
              
              Moran, Robert A.; 
              
            
          
            
              
              Familiari, Pietro; 
              
            
          
            
              
              Dbouk, Mohamad H.; 
              
            
          
            
              
              Costamagna, Guido; 
              
            
          
            
              
              Ichkhanian, Yervant; 
              
            
          
            
              
              Seewald, Stefan; 
              
            
          
            
              
              Bapaye, Amol; 
              
            
          
            
              
              Cho, Joo Young; 
              
            
          
            
              
              Barret, Maximilien; 
              
            
          
            
              
              Eleftheriadis, Nikolas; 
              
            
          
            
              
              Pioche, Mathieu; 
              
            
          
            
              
              Hayee, Bu' Hussain; 
              
            
          
            
              
              Tantau, Marcel; 
              
            
          
            
              
              Ujiki, Michael; 
              
            
          
            
              
              Landi, Rosario; 
              
            
          
            
              
              Invernizzi, Martina; 
              
            
          
            
              
              Yoo, In Kyung; 
              
            
          
            
              
              Roman, Sabine; 
              
            
          
            
              
              Haji, Amyn; 
              
            
          
            
              
              Hedberg, H. Mason; 
              
            
          
            
              
              Parsa, Nasim; 
              
            
          
            
              
              Mion, Francois; 
              
            
          
            
              
              Fayad, Lea; 
              
            
          
            
              
              Kumbhari, Vivek; 
              
            
          
            
              
              Agarwalla, Anant; 
              
            
          
            
              
              Ngamruengphong, Saowanee; 
              
            
          
            
              
              Sanaei, Omid; 
              
            
          
            
              
              Ponchon, Thierry; 
              
            
          
            
              
              Khashab, Mouen A.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E684
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Willems, Philippe; 
              
            
          
            
              
              Djinbachian, Roupen; 
              
            
          
            
              
              Ditisheim, Saskia; 
              
            
          
            
              
              Orkut, Sinan; 
              
            
          
            
              
              Pohl, Heiko; 
              
            
          
            
              
              Barkun, Alan; 
              
            
          
            
              
              Bouin, Mickael; 
              
            
          
            
              
              Faulques, Bernard; 
              
            
          
            
              
              von Renteln, Daniel: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        E693
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Bilal, Mohammad; 
              
            
          
            
              
              Simons, Malorie; 
              
            
          
            
              
              Rahman, Asad Ur; 
              
            
          
            
              
              Smith, Zachary L.; 
              
            
          
            
              
              Umar, Shifa; 
              
            
          
            
              
              Cohen, Jonah; 
              
            
          
            
              
              Sawhney, Mandeep S.; 
              
            
          
            
              
              Berzin, Tyler M.; 
              
            
          
            
              
              Pleskow, Douglas K.: