[1] Univ Toronto, St Michaels Hosp, Div Gastroenterol, Toronto, ON, Canada
[2] Canadian Endoscopy Res Network CanENDO, Toronto, ON, Canada
[3] Univ Sydney, Westmead Hosp, Sydney, NSW, Australia
[4] Alamiri Hosp, Thanyan Alghanim Ctr Gastroenterol & Hepatol, Kuwait, Kuwait
[5] Deenanath Mangeshkar Hosp & Res Ctr, Shivanand Desai Ctr Digest Disorders, Pune, Maharashtra, India
[6] Queens Univ, Div Gastroenterol, Dept Med, Kingston, ON, Canada
[7] Pirogov Russia Natl Res Med Univ, Moscow, Russia
[8] Humanitas Clin & Res Ctr IRCCS, Endoscopy Unit, Milan, Italy
[9] Humanitas Univ, Dept Biomed Sci, Rozzano, Italy
[10] Univ Hosp Ctr Zagreb, Div Gastroenterol & Hepatol, Dept Internal Med, Zagreb, Croatia
[11] Toho Univ, Div Gastroenterol & Hepatol, Omori Med Ctr, Tokyo, Japan
[12] Virginia Tech, Carilion Sch Med, Dept Gastroenterol, Roanoke, VA USA
[13] Kyorin Univ, Dept Gastroenterol & Hepatol, Sch Med, Tokyo, Japan
[14] Univ Hosp Ctr Sestre Milosrdnice, Dept Gastroenterol & Hepatol, Zagreb, Croatia
[15] Univ Barcelona, IDIBAPS, Hosp Clin, Gastroenterol Dept,Inst Malalties Digest & Metab, Barcelona, Spain
[16] Univ Auckland, Fac Med, Dept Gastroenterol, Te Whatu Ora Waitemata, Auckland, New Zealand
[17] Indiana Univ Sch Med, Div Gastroenterol & Hepatol, Indianapolis, IN 46202 USA
[18] Royal Prince Alfred Hosp, AW Morrow Gastroenterol & Liver Ctr, Sydney, NSW, Australia
[19] Chris OBrien Lifehouse, Sydney, NSW, Australia
[20] Columbia Univ, Div Digest & Liver Dis, Irving Med Ctr, New York, NY USA
[21] Univ Kansas, Sch Med, VA Med Ctr, Kansas City, KS USA
[22] NYU Grossman Sch Med, Dept Med, Div Gastroenterol, New York, NY USA
[23] Univ Chicago, CERT, Chicago, IL 60637 USA
[24] Lyell McEwin Hosp, NALHN, Adelaide, SA, Australia
[25] Univ Adelaide, Adelaide, SA, Australia
[26] Showa Univ, Koto Toyosu Hosp, Ctr Digest Dis, Tokyo, Japan
[27] Univ Montreal, CHUM, Montreal, PQ, Canada
[28] Univ Calgary, Dept Med, Div Gastroenterol & Hepatol, Calgary, AB, Canada
[29] Scarborough Hlth Network, Toronto, ON, Canada