[1] Dartmouth Hitchcock Med Ctr, Dartmouth Hitchcock Inflammatory Bowel Dis Ctr, Lebanon, NH 03766 USA
[2] Cedars Sinai Med Ctr, Dept Hlth Serv, Los Angeles, CA 90048 USA
[3] Robarts Clin Trials, London, ON, Canada
[4] Icahn Sch Med Mt Sinai, New York, NY 10029 USA
[5] Mayo Clin, Rochester, MN USA
[6] Univ Calgary, Calgary, AB, Canada
[7] Acad Med Ctr, Amsterdam, Netherlands
[8] Univ Manitoba, Winnipeg, MB, Canada
[9] Chinese Univ Hong Kong, Inst Digest Dis, State Key Lab Digest Dis, Dept Med & Therapeut, Hong Kong, Hong Kong, Peoples R China
[10] Evangelismos PolyClin Ophthalmiatre Hosp, Athens, Greece
[11] Univ N Carolina, Chapel Hill, NC USA
[12] Mt Sinai Hosp, Toronto, ON, Canada
[13] Univ Hosp Heraklion, Iraklion, Greece
[14] Trinity Coll Dublin, Fac Hlth Sci, Dublin, Ireland
[15] Semmelweis Univ, Budapest, Hungary
[16] Cedars Sinai Med Ctr, Widjaja Inflammatory Bowel & Immunobiol Res Ins, Los Angeles, CA 90048 USA
[17] Orebro Univ, Fac Med & Hlth, Dept Gastroenterol, Orebro, Sweden
[18] McMaster Univ, Hamilton, ON, Canada
[19] Univ Zurich Hosp, Zurich, Switzerland
[20] Univ Cologne, Cologne, Germany
[21] Univ Hop Schleswig Holstein, Kiel, Germany
[22] Humanitas Univ, Milan, Italy
[23] Univ Calif San Diego, San Diego, CA USA
[24] Hosp Sick Children, Toronto, ON, Canada
[25] Oslo Univ Hosp, Oslo, Norway
[26] Univ Oslo, Oslo, Norway
[27] Med Univ, Gen Hosp Vienna, Vienna, Austria
[28] Univ Roma Tor Vergata, Rome, Italy
[29] Oxford Univ Hosp, Oxford, England
[30] Hosp Clin Barcelona, IDIBAPS, CIBERehd, Barcelona, Spain
[31] Northwestern Feinberg Sch Med, Chicago, IL USA
[32] Lorraine Univ, Inserm U954, Nancy, France
[33] Lorraine Univ, CHU Nancy, Nancy, France