1. aHannover Medical School, Divisions of Paediatric Gastroenterology and Hepatology, Department for Paediatric Kidney, Liver, and Metabolic Diseases, Hannover, Germany
2. bInstitute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
3. cLiver Unit, Birmingham Women’s and Children’s Hospital, Birmingham, United Kingdom
4. dEuropean Liver Transplant Registry, AP-HP Hôpital Paul Brousse, Research Unit “Chronotherapy, cancers and transplantation,” University Paris-Saclay, Villejuif, France
5. eEuropean Liver and Intestine Transplant Association, Padova, Italy
6. fEuropean Reference Network TransplantChild, La Paz University Hospital, Madrid, Spain
7. gDepartment of General and Digestive Surgery, Hospital Universitario La Paz, IDIPAZ, CIBERehd, Madrid, Spain
8. hKing’s College Hospital, London, United Kingdom
9. iCliniques Universitaires Saint Luc, Catholic University of Louvain, Brussels, Belgium
10. jPediatric Hepatology and Liver Transplantation Unit, National Reference Centre for Biliary Atresia and Genetic Cholestasis, FILFOIE, ERN RARE LIVER, Bicêtre Hospital, Assistance Publique: Hôpitaux de Paris, University Paris-Saclay, Le Kremlin-Bicêtre; Inserm U1193, Hepatinov, University Paris-Saclay, Orsay, France
11. kChildreńs Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
12. lDepartment of Gastroenterology, Hepatology, Nutritional Disorders and Pediatrics, The Children’s Memorial Health Institute, Warsaw, Poland
13. mPaediatric Hepatology, Gastroenterology, and Transplantation, Hospital Papa Giovanni XXIII, Bergamo, Italy
14. nPaediatric Hepatology Service, Coordinator ERN TransplantChild, Hospital Infantil Universitario La Paz, Madrid, Spain
15. oPediatric Liver Unit and Reference Center for Biliary Atresia and Genetic Cholestasis, APHP-Hôpital Necker, Université de Paris, Paris, France
16. pDepartment of Surgery, Division of Hepatopancreatobiliary and Transplant Surgery, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
17. qDepartment for the Treatment and Study of Pediatric Abdominal Diseases and Abdominal Transplantation, ISMETT, Palermo, Italy
18. rDept. of Pediatrics, Beatrix Children’s Hospital/University Medical Center Groningen, University of Groningen, ERN RareLiver, Groningen, The Netherlands