[1] Med Univ Innsbruck, Inst Cell Biol, Innsbruck, Austria
[2] Med Univ Innsbruck, Paediat 1, Innsbruck, Austria
[3] Koc Univ, Pediat Gastroenterol Hepatol & Nutr, Sch Med, Istanbul, Turkiye
[4] Regina Margher Childrens Hosp, Paediatic Gastroenterol Unit, Turin, Italy
[5] Heidelberg Univ, Med Fac Heidelberg, Ctr Paediat & Adolescent Med, Heidelberg, Germany
[6] Univ Udine, Dept Med, Udine, Italy
[7] Papa Giovanni XXIII Hosp, Pediat Hepatol Gastroenterol & Transplantat, Bergamo, Italy
[8] Kings Coll Hosp London, Paediat Liver GI & Nutr Ctr, London, England
[9] Birmingham Womens & Childrens Hosp NHS Fdn Trust, Liver Unit Including Small Bowel Transplantat, Birmingham, England
[10] Childrens Mem Hlth Inst, Dept Gastroenterol Hepatol Nutr Disorders & Paedia, Warsaw, Poland
[11] Attikon Univ Gen Hosp, Dept Paediat Gastroenterol Hepatol & Nutr, Dept Paediat 3, Athens, Greece
[12] King Faisal Specialist Hosp & Res Ctr, Liver & SB Transplant & Hepatobiliary Pancreat Sur, Riyadh, Saudi Arabia
[13] Univ Hosp Essen, Dept Paediat Paediat Gastroenterol Hepatol & Liver, Essen, Germany
[14] Heidelberg Univ, Med Fac Heidelberg, Ctr Pediat & Adolescent Med, Dept 1, Heidelberg, Germany
[15] Univ Hosp Geneva, Swiss Pediat Liver Ctr, Dept Pediat Gynecol & Obstet, Div Pediat Specialties, Geneva, Switzerland
[16] Univ Geneva, Geneva, Switzerland
[17] Univ klinikum Regensburg, Inst Klin Chem & Lab Med, Regensburg, Germany
[18] Schneider Childrens Med Ctr Israel, Inst Gastroenterol Nutr & Liver Dis, Petah Tiqwa, Israel
[19] Pediat Gastroenterol Hepatol Ctr Lisbon, Lisbon, Portugal
[20] Bambino Gesu Pediat Hosp, Metab Dis & Hepatol Unit, Rome, Italy
[21] Med Univ Vienna, Dept Paediat Gastroenterol, Dept Paediat, Vienna, Austria
[22] Univ Childrens Hosp Tuebingen, Dept Paediat Surg & Paediat Urol, Tubingen, Germany
[23] UPMC Childrens Hosp Pittsburgh, Div Gastroenterol Hepatol & Nutr, Pittsburgh, PA USA
[24] Salzburger Landeskliniken & Paracelsus Med Univ, Dept Pediat, Salzburg, Austria
[25] Eberhard Karls Univ Tuebingen, Paediat Gastroenterol & Hepatol, Tubingen, Germany