[1] Univ Klinikum Hamburg Eppendorf, Sect Pediat Radiol, Dept Diagnost & Intervent Radiol & Nucl Med, Martinistr 52, D-20246 Hamburg, Germany
[2] Univ Oslo, Dept Pediat Radiol, Rikshosp, Oslo, Norway
[3] Hop Bicetre, Dept Pediat Radiol, Paris, France
[4] Univ Med Ctr Groningen, Dept Radiol, Groningen, Netherlands
[5] Birmingham Childrens Hosp, Dept Radiol, Birmingham, England
[6] Clin Univ St Luc, Dept Radiol, Brussels, Belgium
[7] Kings Coll Hosp London, Dept Radiol, London, England
[8] Univ Citta Salute & Sci Torino, Dept Hepatobiliary & Transplant Surg, Azienda Osped, Turin, Italy
[9] UPMC, Dept Pediat & Pediat Transplantat, ISMETT, Palermo, Italy
[10] Inst Clin Sci, Dept Radiol, Gothenburg, Sweden
[11] Queen Silvia Childrens Hosp, Dept Pediat Radiol, Gothenburg, Sweden
[12] Hop Univ Necker Enfants Malad, Dept Radiol, Paris, France
[13] Aziende Socio Sanitarie Terr Papa Giovanni XXIII, Dept Radiol, Azienda Osped Osped Riuniti Bergamo, Bergamo, Italy
[14] Birmingham Childrens Hosp, Dept Hepatobiliary & Transplant Surg, Birmingham, England
[15] Childrens Mem Hlth Inst, Dept Pediat Surg & Organ Transplantat, Warsaw, Poland
[16] Med Univ Vienna, Dept Radiol, Vienna, Austria
[17] Great Ormond St Hosp Sick Children, Dept Radiol, London, England
[18] Regina Margherita Childrens Hosp, Dept Pediat Radiol, Turin, Italy
[19] Univ Clin Tubingen, Dept Radiol, Tubingen, Germany
[20] Hannover Med Sch Hosp, Dept Pediat Radiol, Hannover, Germany
[21] Hannover Med Sch Hosp, Dept Pediat Radiol, Hannover, Germany
[22] Univ Hosp Essen, Inst Diagnost & Intervent Radiol & Neuroradiol, Essen, Germany
[23] Osped Pediatr Bambino Gesu, Div Hepatobiliopancreat Surg Liver & Kidney Trans, Rome, Italy
[24] Geneva Univ Hosp, Dept Pediat Radiol, Geneva, Switzerland
[25] Hosp Civils Lyon, Dept Radiol, Hop Femme Mere Enfant, Bron, France
[26] Leeds Childrens Hosp, Dept Pediat Radiol, Leeds, England
[27] Univ Klinikum Hamburg Eppendorf, Dept Visceral Transplant Surg, Hamburg, Germany
[28] Hop La Timone, Dept Pediat Radiol, Marseille, France
[29] Univ Clin Hamburg Eppendorf, Dept Pediat Gastroenterol & Hepatol, Hamburg, Germany