1. Department for Pediatric Kidney, Liver, and Metabolic Diseases, Division of Pediatric Gastroenterology and Hepatology; Hannover Medical School; Hannover Germany
2. European Liver Transplant Registry, INSERM U 935, AP-HP Hôpital Paul Brousse; Université Paris-Sud; Villejuif France
3. Department of Hepatology and Liver Transplant Unit, Henri Mondor Hospital AP-HP; Paris Est University; Créteil France
4. Research Group Epidemiological and Statistical Methods, Helmholtz Centre for Infection Research; Braunschweig Germany
5. German Center for Infection Research, Hannover-Braunschweig Site; Braunschweig Germany
6. Pediatric Hepatology; Gastroenterology and Transplantation, Hospital Papa Giovanni XXIII; Bergamo Italy
7. Hopital Necker Enfants Malades, Service de Chirurgie Pediatrique; Paris France
8. Division of Hepatobiliary and Liver Transplantation, Department of Surgery Division; Ege University Medical School; Izmir Turkey
9. Papa Giovanni 23 Hospital, Chirurgia III e Centro Trapianti di Fegato; Bergamo Italy
10. Department of Transplantation Surgery; Huddinge Hospital; Huddinge Sweden
11. Radiumhospitalet Medical Center Liver Transplant Unit; Rikshospitalet Oslo Norway
12. King's College London; London England
13. Transplantation and Liver Surgery Clinic, U.C.Helsingfors; Helsinki Finland
14. Klinik für Viszeral und Transplantationschirurgie, Hannover Medical School; Hannover Germany
15. Cliniques Universitaires Saint Luc; Catholic University of Louvain; Brussels Belgium
16. Children's Hospital Pittsburgh; Pittsburgh PA
17. Swiss Center for Liver Disease in Children, Hôpitaux Universitaires de Genève; Genève Switzerland
18. Klinik für allgemeine und Transplantationschirurgie, C.U.K. GHS Essen; Essen Germany
19. Centro de Trapianti de Fegato, Azienda Ospedaliera S. Giovanni Battista; Torino Italy
20. Gabinete de Coordenacao de Colheita de Orgaos e Transplantacao, Hospitais da Universidade de Coimbra; Coimbra Portugal
21. Department of General and Transplant Surgery; University Hospital; Innsbruck Austria