1. Department of Medicine, Beth Israel Deaconess Medical Center; Harvard Medical School; Boston MA
2. Department of Medical and Surgical Sciences; University of Bologna; Bologna Italy
3. Division of Abdominal Transplantation and Hepatobiliopancreatic Surgery, Bambino Gesù, Children's Research Hospital, Istituto di Ricovero e Cura a Carattere Scientifico; Rome Italy
4. Department of Transplant Surgery, San Martino Hospital; University of Genoa; Genoa Italy
5. Division of Liver Transplantation, Ca' Granda Maggiore Hospital; Milan Italy
6. Department of Multi-Disciplinary Surgery, Division of General, HBP and Transplantation Surgery, Niguarda Transplant Center, Niguarda Hospital; Milano-Bicocca University; Milan Italy
7. Division of Liver Transplant, Department of Medical and Biological Sciences, University Hospital of Udine; Udine Italy
8. Division of Hepatobiliary Surgery and Liver Transplantation; University of Padua; Padua Italy
9. Division of Liver and Small Bowel Transplantation, Azienda Ospedaliera Papa Giovanni XXIII; Bergamo Italy
10. Division of Gastrointestinal Surgery and Liver Transplantation, Istituto Nazionale Tumori of Milano, Istituto di Ricovero e Cura a Carattere Scientifico Foundation; University of Milan; Milan Italy
11. Division of Organ Transplantation; Tor Vergata University; Rome Italy
12. Department of General Surgery and Organ Transplantation; Umberto I Hospital, Sapienza University; Rome Italy
13. Information Technology Department; Mediterranean Institute for Transplantation and Advanced Specialized Therapies; Palermo Italy
14. Department for the Study of Abdominal Diseases and Abdominal Transplantation, Istituto di Ricovero e Cura a Carattere Scientifico-Mediterranean Institute for Transplantation and Advanced Specialized Therapies; Palermo Italy
15. Division of Pediatric Transplantation, Children's Hospital of Pittsburgh; Pittsburgh PA