[1] Sydney Childrens Hosp, Dept Pediat Gastroenterol, Sydney, NSW, Australia
[2] Univ New South Wales, Sch Womens & Childrens Hlth, Discipline Pediat, Sydney, NSW, Australia
[3] Rady Childrens Hosp, Div Pediat Gastroenterol, San Diego, CA USA
[4] Univ Calif San Diego, San Diego Sch Med, San Diego, CA 92103 USA
[5] Bambino Gesu Pediat Hosp, Digest Endoscopy & Surg Unit, IRCCS, Rome, Italy
[6] Univ New South Wales, Ctr Big Data Res Hlth, Sydney, NSW, Australia
[7] Boston Childrens Hosp, Div Gastroenterol & Nutr, Aerodigest Ctr, Boston, MA USA
[8] Harvard Med Sch, Harvard, MA USA
[9] St Justine Hosp, Div Pediat Gastroenterol, 3715 Cote St Catherine, Montreal, PQ H3T 1C5, Canada
[10] Univ Montreal, Dept Pediat, Montreal, PQ, Canada
[11] Univ Lille, Dept Pediat Gastroenterol Hepatol & Nutr, Natl Reference Ctr Congenital Malformat, CHU Lille, Lille, France