[1] Hop Necker Enfants Malad, AP HP, Dept Paediat Gastroenterol, F-75015 Paris, France
[2] Univ Paris 05, Sorbonne Paris Cite, F-75006 Paris, France
[3] INSERM, U989, Inst IMAGINE, F-75015 Paris, France
[4] Semmelweis Univ, Dept Paediat 1, H-1083 Budapest, Hungary
[5] Univ Helsinki, Dept Gastroenterol, Hosp Children & Adolescents, FIN-00290 Helsinki, Finland
[6] Univ Toronto, Hosp Sick Children, Dept Paediat, Toronto, ON M5G 1X8, Canada
[7] Tel Aviv Univ, Paediat Gastroenterol & Nutr Unit, Edith Wolfson Med Ctr, IL-58100 Holon, Israel
[8] Erasmus MC, Dept Paediat Gastroenterol, NL-3015 CN Rotterdam, Netherlands
[9] Hosp Sao Joao, Unit Paediat Gastroenterol, P-4202451 Oporto, Portugal
[10] Ist Giannina Gaslini, Gastroenterol & Endoscopy Unit, I-16148 Genoa, Italy
[11] Univ Childrens Hosp Zurich, Div Gastroenterol & Nutr, CH-8032 Zurich, Switzerland
[12] Univ Childrens Hosp Zurich, Childrens Res Ctr, CH-8032 Zurich, Switzerland
[13] Univ Hosp Motol, Dept Pediat, Prague 15006, Czech Republic
[14] St Marien Hosp, Dept Paediat, D-53115 Bonn, Germany
[15] Hosp St Joan de Deu, Dept Paediat Gastroenterolgoy Hepatol & Nutr, Barcelona 08950, Spain
[16] Erasmus MC, Dept Paediat Gastroenterol, NL-3015 CN Rotterdam, Netherlands
[17] Karolinska Inst, Vastmanland Hosp, Clin Res Ctr, Dept Pediat, S-72189 Stockholm, Sweden
[18] Hop Robert Debre, AP HP, Dept Gastroenterol & Nutr, F-75019 Paris, France
[19] Univ Paris Diderot, Sorbonne Paris Cite, F-75018 Paris, France
[20] Inst Pomn Ctr Zdrowia Dziecka, Dept Gastroenterol Hepatol & Feeding Disorders, PL-04730 Warsaw, Poland
[21] Univ Zagreb, Sch Med, Childrens Hosp, Dept Paediat Gastroenterol, Zagreb 10000, Croatia
[22] Dr von Hauner Childrens Hosp, Dept Paediat Gastroenterol, D-80337 Munich, Germany
[23] Meyer Childrens Hosp, Dept Gastroenterol & Nutr, I-50139 Florence, Italy
[24] Univ Naples Federico II, Paediat Sect, Dept Translat Med Sci, I-80131 Naples, Italy
[25] Hosp Materno Infantil, Paediat Gastroenterol & Nutr Unit, Malaga 29009, Spain
[26] Hvidovre Univ Hosp, Dept Paediat 460, DK-2650 Hvidovre, Denmark
[27] Yorkhill Hosp, Dept Paediat Gastroenterol, Glasgow G3 8SJ, Lanark, Scotland
[28] Iuliu Hatieganu Univ Med & Pharm, Emergency Childrens Hosp, Dept Paediat 2, Cluj Napoca 400177, Romania
[29] Rambam Hlth Care Campus, Rappaport Fac Med, Dept Pediat Gastroenterol & Nutr, IL-31096 Haifa, Israel
[30] Univ Groningen, Univ Med Ctr Groningen, Dept Paediat Gastroenterol Hepatol & Nutr, NL-9700 RB Groningen, Netherlands
[31] Childrens Univ Hosp, Dept Paediat Gastroenterol & Nutr, B-1090 Brussels, Belgium
[32] Edmond & Lily Safra Childrens Hosp, Sheba Med Ctr, Paediat Gastroenterol & Nutr Unit, Tel Hashomer, Israel
[33] Royal Hosp Sick Children, Child Life & Hlth, Edinburgh EH9 1LF, Midlothian, Scotland
[34] Mass Gen Hosp Children, Div Pediat Gastroenterol Hepatol & Nutr, Boston, MA 02114 USA
[35] Hebrew Univ Jerusalem, Pediat Gastroenterol Unit, Shaare Zedek Med Ctr, IL-91905 Jerusalem, Israel
[36] Agaplesion Markus Hosp, Dept Med 1, D-60431 Frankfurt, Germany
[37] Chaim Sheba Med Ctr, IL-52621 Tel Hashomer, Israel