[1] Vrije Univ Brussel, UZ Brussel, KidZ Hlth Castle, Brussels, Belgium
[2] Acad Med Ctr, Emma Childrens Hosp, Dept Pediat Gastroenterol & Nutr, Amsterdam, Netherlands
[3] DICE, Brussels, Belgium
[4] St Justine Hosp, Dept Pediat Gastroenterol, Montreal, PQ, Canada
[5] Univ Lille, CHU Lille, Dept Pediat Hepatol Gastroenterol & Nutr, Villeneuve Dascq, France
[6] Univ Indonesia, Dept Child Hlth, Jakarta, Indonesia
[7] Univ Zagreb, Sch Med, Childrens Hosp Zagreb, Zagreb, Croatia
[8] Univ JJ Strossmayer, Sch Med Osijek, Osijek, Croatia
[9] Sheikh Khalifa Med City, Dept Pediat Gastroenterol Hepatol & Nutr, Abu Dhabi, U Arab Emirates
[10] Prince Songkla Univ, Fac Med, Dept Pediat, Hat Yai, Songkhla, Thailand
[11] La Fe Univ Hosp, Dept Pediat Gastroenterol Hepatol & Nutr, Valencia, Spain
[12] Univ Insubria, Osped F Del Ponte, Dept Pediat, Varese, Italy
[13] Univ Miami, Miller Sch Med, Div Pediat Gastroenterol Hepatol & Nutr, Miami, FL 33136 USA
[14] Tel Aviv Univ, Sackler Fac Med, Schneider Childrens Med Ctr Israel, Tel Aviv, Israel
[15] Univ Naples Federico II, Sect Pediat, Dept Translat Med Sci, Naples, Italy
[16] Med Univ Warsaw, Dept Pediat, Warsaw, Poland
[17] Pontifical Univ Parana, Dept Pediat, Curitiba, Parana, Brazil
[18] Hosp Pequeno Principe, Ctr Pediat Gastroenterol, Curitiba, Parana, Brazil
[19] Childrens Hosp Orange Cty, Div Pediat Gastroenterol Hepatol & Nutr, Orange, CA USA
[20] Univ Granada, Dept Pediat, Granada, Spain
[21] Hosp Maria Inmaculada, Florencia, Colombia
[22] Univ La Frontera, Temuco, Chile
[23] Ctr Hosp Reg Univ Lille, Dept Pediat, Lille, France
[24] Med Univ Warsaw, Dept Paediat, Warsaw, Poland
[25] Hosp Infantil Nicaragua Manuel de Jesus Rivera, Managua, Nicaragua
[26] Hosp Nino Dr Jose Renan Esquivel, Serv Gastroenterol Pediat & Endoscopia Digest, Panama City, Panama
[27] Hosp Nacl Ninos Benjamin Bloom, San Salvador, El Salvador