[1] IRCCS Osped San Raffaele, Dept Gastroenterol & Endoscopy, I-20132 Milan, Italy
[2] Univ Vita Salute San Raffaele, I-20132 Milan, Italy
[3] Western Univ, Dept Med, Div Gastroenterol, London, ON, Canada
[4] Ferring Int Ctr SA, CH-1162 St Prex, Switzerland
[5] Nancy Univ Hosp, Dept Gastroenterol, F-54500 Vandoeuvre Les Nancy, France
[6] Univ Lorraine, Inserm, NGERE, F-54000 Nancy, France
[7] Nancy Univ Hosp, INFINY Inst, F-54500 Vandoeuvre Les Nancy, France
[8] Nancy Univ Hosp, FHU CURE, F-54500 Vandoeuvre Les Nancy, France
[9] Grp Hosp Prive Ambroise Pare Hartmann, Paris IBD Ctr, F-92200 Neuilly Sur Seine, France
[10] McGill Univ, Hlth Ctr, Div Gastroenterol & Hepatol, Montreal, PQ H4A 3J1, Canada