[1] Western Univ, Dept Med, London, ON, Canada
[2] Western Univ, Dept Epidemiol & Biostat, London, ON, Canada
[3] Univ Chicago Med, Ctr Inflammatory Bowel Dis, Sect Gastroenterol Hepatol & Nutr, Chicago, IL USA
[4] Katholieke Univ Leuven, Univ Hosp Leuven, Dept Gastroenterol & Hepatol, Leuven, Belgium
[5] Katholieke Univ Leuven, Translat Res GI Disorders, Dept Chron Dis & Metab, Leuven, Belgium
[6] Univ Hlth Sci, Antalya Training & Res Hosp, Dept Gastroenterol, Antalya, Turkiye
[7] Univ Miami, Miller Sch Med, Dept Med, Crohns & Colitis Ctr,Div Gastroenterol, Miami, FL 33136 USA
[8] Univ Edinburgh, Inst Genet & Mol Med, Edinburgh, Midlothian, Scotland
[9] NHS Lothian, Western Gen Hosp, Edinburgh IBD Unit, Edinburgh, Midlothian, Scotland
[10] Pfizer AG, Zurich, Switzerland
[11] Pfizer Inc, Collegeville, PA USA
[12] Pfizer Inc, La Jolla, CA USA
[13] Pfizer Inc, Cambridge, MA USA
[14] Pfizer Healthcare India Pvt Ltd, Chennai, Tamil Nadu, India
[15] Charite Univ Med Berlin, Med Klin Gastroenterol Infektiol Rheumatol, Berlin, Germany
[16] Free Univ Berlin, Berlin, Germany
[17] Humboldt Univ, Berlin, Germany
[18] Campus Benjamin Franklin, Berlin, Germany