[1] Hosp Beatriz Angelo, Dept Gastroenterol, Loures, Portugal
[2] Med Univ Graz, Dept Internal Med, Div Gastroenterol & Hepatol, Graz, Austria
[3] Ctr Hosp Braga, Dept Gastreoenterol, Braga, Portugal
[4] Univ Hosp, Dept Gastroenterol, Heraklion, Portugal
[5] Univ Hosp Larissa, Dept Gastroenterol, IBD Unit, Larisa, Greece
[6] Osped S Filippo Neri, IBD Unit, Rome, Italy
[7] IRCCS Sacro Cuore Don Calabria, Ctr Multispecialist Malattie Retto Intestinali, UOC Gastroenterol Endoscopia Digest, Verona, Italy
[8] Univ Hosp Ctr Rebro, Dept Gastroenterol & Hepatol, Zagreb, Croatia
[9] Marmara Univ, Sch Med, Dept Gastroenterol, Istanbul, Turkiye
[10] Lancashire Teaching Hosp, Dept Gastroenterol, Preston, Lancs, England
[11] CHU Coimbra, Dept Gastroenterol, Coimbra, Portugal
[12] Univ Szeged, Ctr Gastroenterol, Albert Szent Gyorgy Med Sch, Dept Med, Szeged, Hungary
[13] Gen Hosp Athens G Gennimatas, Dept Gastroenterol, Athens, Greece
[14] State Univ Med & Pharm, Dept Gastroenterol, Chisinsu, Moldova
[15] Univ Federico II Naples, Dept Publ Hlth, Naples, Italy
[16] Tzaneio Gen Hosp Piraeus, Dept Gastroenterol, Piraeus, Greece
[17] Rho Hosp, IBD Ctr, Milan, Italy
[18] Univ Khartoum, Fac Med, Dept Gastroenterol, Khartoum, Sudan
[19] Univ Clin Ctr Tuzla, Dept Gastroenterol & Hepatol, Tuzla, Bosnia & Herceg
[20] Univ Turin, Dept Med Sci, Turin, Italy
[21] Univ Patras, Gastroenterol Dept, Patras, Greece
[22] Gazi Univ, Dept Gastroenterol, Ankara, Turkiye
[23] Ctr Hosp Algarve, Dept Gastroenterol, Faro, Portugal
[24] Campus Biomed Univ Rome, Dept Gastroenterol, Rome, Italy
[25] Ctr Hosp Setubal, Dept Gastroenterol, Setubal, Portugal
[26] Charite Univ Med Berlin, Dept Gastroenterol, Berlin, Germany
[27] AZ Groeninge Kortrijk, Dept Gastroenterol, Kortrijk, Belgium
[28] Univ Hosp Tor Vergata, Dept Gastroenterol, Rome, Italy
[29] Connolly Hosp Blanchardstown, Dept Gastroenterol, Dublin, Ireland
[30] Hosp Arnas G Brotzu, Dept Gastroenterol, Cagliari, Italy
[31] Hosp Lithuanian Univ Hlth Sci, Dept Gastroenterol, IBD Unit, Kaunas, Lithuania
[32] Univ Hosp CHU Liege, Dept Gastroenterol, Liege, Belgium
[33] Mater Dei Hosp Malta, Dept Gastroenterol, Msida, Malta
[34] Univ Hosp Ctr Dr Dragisa Misovic, IBD Ctr, Belgrade, Serbia
[35] Padua Univ Hosp, Dept Gastroenterol, Padua, Italy
[36] Venizeleio Gen Hosp, Dept Gastroenterol, Iraklion, Greece
[37] Hosp Beatriz Angelo, Dept Gastroenterol, Loures, Portugal
[38] Hosp Luz, Dept Gastroenterol, Lisbon, Portugal