[1] Univ Hamburg, Klinikum Luneburg, Dept Gastroenterol, Bogelstr 1, D-21339 Luneburg, Germany
[2] Mater Dei Hosp, Div Gastroenterol, Dept Med, Msida, Malta
[3] Univ Hosp Zurich, Dept Gastroenterol & Hepatol, Zurich, Switzerland
[4] Univ Hosp Lausanne, Ctr Hosp Univ Vaudois CHUV, Div Gastroenterol & Hepatol, Lausanne, Switzerland
[5] CHU UCL Namur, Dept Gastroenterol & Hepatol, Yvoir, Belgium
[6] Katholieke Univ Leuven, Univ Hosp Leuven, Dept Gastroenterol & Hepatol, Leuven, Belgium
[7] Katholieke Univ Leuven, TARGID IBD, Dept Chron Dis Metab & Ageing, Leuven, Belgium
[8] Ctr Hosp Univ Sao Joao, Infect Dis Serv, Porto, Portugal
[9] Univ Porto, Dept Med, Fac Med, Inst Inovacao & Invest Saude I3s, Porto, Portugal
[10] St James Univ Hosp, Gastroenterol Dept, Leeds, W Yorkshire, England
[11] Humanitas Clin & Res Ctr IRCCS, Rozzano, Mi, Italy
[12] Humanitas Univ, Dept Biomed Sci, Milan, Italy
[13] Hosp Univ Mutua Terrassa, Digest Dis Dept, Terrassa, Catalonia, Spain
[14] Ctr Invest Biomed Red Enfermedades Hepat & Digest, Madrid, Spain
[15] Mayo Clin, Dept Gastroenterol & Hepatol, Inflammatory Bowel Dis Ctr, Jacksonville, FL 32224 USA
[16] Royal London Hosp, Barts Hlth NHS Trust, Dept Gastroenterol, London, England
[17] Venizeleio Gen Hosp, Dept Gastroenterol, Iraklion, Greece
[18] Sheba Med Ctr, Dept Gastroenterol, Ramat Gan, Israel
[19] Tel Aviv Univ, Sackler Sch Med, Tel Aviv, Israel
[20] Sorbonne Univ, Hop St Antoine, AP HP, INSERM,Dept Gastroenterol,Inst Pierre Louis Epide, Paris, France
[21] Guys & St Thomas NHS Fdn Trust, Dept Infect Dis, London, England
[22] Ctr Hosp Sao Joao, Gastroenterol Dept, Porto, Portugal
[23] Univ Porto, Fac Med, Inst Pharmacol & Therapeut, Porto, Portugal
[24] Univ Hamburg, Klinikum Luneburg, Dept Geriatr, Outpatient Dept Gastroenterol, Luneburg, Germany
[25] Erasmus MC, Sophia Childrens Hosp, Dept Paediat Gastroenterol, Rotterdam, Netherlands
[26] Hosp Clin San Carlos, Dept Gastroenterol, IBD Unit, Madrid, Spain
[27] Hosp Clin San Carlos IdISSC, Inst Invest, Madrid, Spain
[28] Ankara Univ, Sch Med, Dept Gastroenterol, Ankara, Turkey
[29] Ctr Hosp Univ Montreal CHUM, Pharm Dept, Montreal, PQ, Canada
[30] Univ Montreal, Fac Pharm, Montreal, PQ, Canada
[31] Univ Hosp Zurich, Dept Gastroenterol & Hepatol, Zurich, Switzerland
[32] Tourcoing Hosp, Dept Infect Dis, Tourcoing, France