[1] Univ Manitoba IBD Clin & Res Ctr, Winnipeg, MB, Canada
[2] Chinese Univ Hong Kong, Inst Digest Dis, LK Inst Hlth Sci, Dept Med & Therapeut, Hong Kong, Peoples R China
[3] Asian Inst Gastroenterol, Hyderabad, India
[4] Hosp Israelita Albert Einstein, Sao Paulo, Brazil
[5] Columbia Univ, Irving Med Ctr, New York, NY USA
[6] Univ Paris Saclay, Hop Bicetre, AP HP, Serv Gastroenterol, Le Kremlin Bicetre, France
[7] Aga Khan Univ, Karachi, Pakistan
[8] Dayanand Med Coll & Hosp, Ludhiana, Punjab, India
[9] Natl Inst Med Sci & Nutr, Mexico City, DF, Mexico
[10] Univ Toronto, Hosp Sick Children, Toronto, ON, Canada
[11] Univ Ottawa, Childrens Hosp Eastern Ontario, Ottawa, ON, Canada
[12] Oxford Univ Hosp NHS Fdn Trust, John Radcliffe Hosp, NIHR Oxford Biomed Res Ctr, Translat Gastroenterol Unit, Oxford, England
[13] Ctr Hosp & Univ Sao Joao, Porto, Portugal
[14] Univ Chicago, Chicago, IL 60637 USA
[15] Univ Calgary, Calgary, AB, Canada
[16] McMaster Univ, Med Ctr, Hamilton, ON, Canada
[17] Univ Otago, Dept Med, Christchurch, New Zealand