[1] Tel Aviv Univ, Fac Med & Hlth Sci, Rabin Med Ctr, Div Gastroenterol, Tel Aviv, Israel
[2] SUNY Upstate Med Univ, Div Gastroenterol, Syracuse, NY 13210 USA
[3] Tel Aviv Univ, Fac Med & Hlth Sci, Rabin Med Ctr, Dept Internal Med E, Tel Aviv, Israel
[4] Tel Aviv Univ, Fac Med & Hlth Sci, Meir Med Ctr, Dept Otolaryngol, Tel Aviv, Israel
[5] Moscow Clin Sci Ctr, Moscow, Russia
[6] Natl Med Res Ctr Coloproctol, Moscow, Russia
[7] Res Inst Hlth Org & Med Management, Moscow, Russia
[8] Northern Care Alliance Hosp NHS Fdn Trust, Div Gastroenterol, Manchester, England
[9] Univ Manchester, Fac Biol Med & Hlth, Manchester, England
[10] VITAZ, Dept Gastroenterol, St Niklaas, Belgium
[11] Univ Hosp Ghent, Dept Gastroenterol, Ghent, Belgium
[12] Poznan Univ Med Sci, Dept Gastroenterol Dietet & Internal Med, Poznan, Poland
[13] IRCCS Humanitas Res Hosp, IBD Ctr, Milan, Italy
[14] Humanitas Univ, Dept Biomed Sci, Milan, Italy
[15] ASST RHODENSE, Dept Gastroenterol, Rho, Italy
[16] Univ Turin, Dept Med Sci, Turin, Italy
[17] Univ Pavia, Dept Med Sci, Gastroenterol Unit, Pavia, Italy
[18] Univ Autonoma Madrid, Hosp Univ La Princesa, Dept Gastroenterol, Inst Invest Sanitaria Princesa IIS Princesa, Madrid, Spain
[19] Ctr Invest Biomed Red Enfermedades Hepat & Digest, Madrid, Spain
[20] Univ Hosp Heraklion, Dept Gastroenterol, Iraklion, Greece
[21] Fdn Policlin Univ A Gemelli IRCCS, Dipartimento Sci Med & Chirurg, CEMAD IBD UNIT Unita Operat Complessa Med Interna, Rome, Italy
[22] Univ Cattolica Sacro Cuore, Dipartimento Univ Med & Chirurg Traslaz, Rome, Italy
[23] Univ Hosp Santiago De Compostela, Dept Gastroenterol & Hepatol, La Coruna, Spain
[24] Tel Aviv Univ, Fac Med, Sheba Med Ctr, Dept Gastroenterol, Tel Aviv, Israel
[25] Dept Gastroenterol, Ramat Gan, Israel
[26] S Filippo Neri Hosp, Dept Gastroenterol, Gastroenterol, Rome, Italy
[27] Evangelismos Polyclin Gen Hosp, Dept Gastroenterol, Athens, Greece
[28] Univ Ghent, Dept Internal Med & Pediat, Ghent, Belgium
[29] Hosp Civils Lyon, South Lyon Univ Hosp, Dept Gastroenterol, Lyon, France
[30] Univ Naples Federico II, Dept Clin Med & Surg, Gastroenterol, Naples, Italy
[31] Univ Naples Federico II, Dept Publ Hlth, Gastroenterol, Naples, Italy
[32] Venizeleio Gen Hosp, Dept Gastroenterol, Iraklion, Greece
[33] Hebrew Univ Jerusalem, Digest Dis Inst, Shaare Zedek Med Ctr, IBD MOM Unit, Jerusalem, Israel
[34] Charles Univ Prague, Clin & Res Ctr Inflammatory Bowel Dis ISCARE, Prague, Czech Republic
[35] Charles Univ Prague, Fac Med 1, Prague, Czech Republic
[36] Mater Dei Hosp, Div Gastroenterol, Birkirkara, Malta
[37] Univ Padua, Dept Surg Oncol & Gastroenterol, Div Gastroenterol, Padua, Italy