[1] GB Rossi Univ Hosp, Gastroenterol & Digest Endoscop Unit, Verona, Italy
[2] Hop Prive Jean Mermoz, Ramsay Gen Sante, Serv Gastroenterol, Lyon, France
[3] Asian Inst Gastroenterol, Hyderabad, Telangana, India
[4] Clin Univ St Luc, Dept Hepatogastroenterol, Louvain, Belgium
[5] Paoli Calmettes Inst, Endoscopy Unit, Marseille, France
[6] Haukeland Hosp, Dept Med, Bergen, Norway
[7] Fdn Policlin Univ A Gemelli IRCCS, Digest Endoscopy Unit, Rome, Italy
[8] ASST Niguarda, Digest & Intervent Endoscopy Unit, Milan, Italy
[9] Trocadero Clin, Dept Endoscopy, Paris, France
[10] Herlev Gentofte Hosp, Herlev, Denmark
[11] Hop Cochin, Serv Cancerol, Paris, France
[12] Univ Tehran Med Sci, Digest Dis Res Ctr, Tehran, Iran
[13] Univ Ghent, Dept Med, Ctr Hosp Univ Vaudois, Ghent, Belgium
[14] Hadassah Hebrew Univ Med Ctr, Jerusalem, Israel
[15] IRCCS San Raffaele Sci Inst, Milan, Italy
[16] ASST Rhodense, Garbagnate Milanese, Milan, Italy
[17] Osped Morgagni Pierantoni, Forli, Italy
[18] Univ Coll Hosp NHS Fdn, London, England
[19] Warszawski Uniwersytet Med, Warsaw, Poland
[20] Hosp Univ Bellvitge, Lhospitalet De Llobregat, Spain
[21] Tata Mem Hosp, Tirupati, India
[22] NYU, New York, NY 10003 USA
[23] Fdn Policlin Univ Agostino Gemelli IRCCS, Rome, Italy
[24] Hop Erasme, Brussels, Belgium
[25] Univ Verona, Verona, Italy
[26] Reims Champagne Ardennes Univ, Reims, France
[27] Inst Paoli Calmettes, Marseille, France
[28] Azienda Socio Sanitaria Terr Grande Osped Metropo, Milan, Italy
[29] Clin Univ St Luc, Louvain, Belgium
[30] Univ Cincinnati, Acad Hlth Ctr, Cincinnati, OH 45221 USA
[31] Univ Foggia, Foggia, Italy
[32] Humanitas Univ, Rome, Italy