[1] Cleveland Clin, Childrens Hosp, Pediat Inst, Cleveland, OH 44106 USA
[2] Cleveland Clin, Childrens Hosp Rehabil, Cleveland, OH 44106 USA
[3] Gi Care Kids LLC, Atlanta, GA USA
[4] Childrens Ctr Digest Healthcare LLC, Atlanta, GA USA
[5] Tel Aviv Univ, Inst Gastroenterol Nutr & Liver Dis, Lea & Arieh Pickel Chair Pediat Res, Schneider Childrens Med Ctr,Sackler Fac Med, Petah Tiqwa, Israel
[6] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Pediat Intermediate Care Unit, Milan, Italy
[7] Univ Milan, Dept Clin Sci & Community Hlth, I-20126 Milan, Italy
[8] Razetti Clin, IDB Med Grp, Pediat Gastroenterol Endoscopy & Nutr, Barquisimeto, Venezuela
[9] Univ Zagreb, Childrens Hosp Zagreb, Dept Pediat, Med Sch, Zagreb, Klaiceva, Croatia
[10] Seattle Childrens Hosp, Div Gastroenterol & Hepatol, Liver Transplant Program, Seattle, WA USA
[11] Zhejiang Univ, Div Gastroenterol, Dept Pediat, Childrens Hosp,Sch Med, Hangzhou, Zhejiang, Peoples R China