1. Department of Surgery, David Geffen School of Medicine at UCLA, Dumont-UCLA (University of California, Los Angeles) Transplant and Liver Cancer Centers, Los Angeles, California, USA
2. Department of Surgery, Duke University Medical Center, Durham, North Carolina, USA
3. Department of Medicine, Statistics Core, University of California, Los Angeles, USA
4. Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, USA
5. General Surgery and Organ Transplantation Unit, Sapienza University, AOU Policlinico Umberto I, Rome, Italy
6. Recanati/Miller Transplantation Institute, Mount Sinai Medical Center, New York, New York, USA
7. Annette C. and Harold C. Simmons Transplant Institute, Baylor University Medical Center, Dallas, Texas, USA
8. Department of Transplantation, Mayo Clinic, Jacksonville, Florida, USA
9. Penn Transplant Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
10. Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
11. New York-Presbyterian Hospital, Weill Cornell, New York, New York, USA
12. New York-Presbyterian Hospital, Columbia University, New York, New York, USA
13. Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
14. Section of Transplantation, Department of Surgery, Washington University in St. Louis, St. Louis, Missouri, USA
15. Cleveland Clinic Foundation, Cleveland, Ohio, USA
16. Department of Abdominal and Transplantation Surgery, Institute for Experimental and Clinical Research, Universite Catholique Louvain, Brussels, Belgium
17. Division of Gastroenterology and Hepatology, Stanford University, Palo Alto, California, USA
18. Department of Surgery, Stanford University, Palo Alto, California, USA
19. Department of Medicine I, Medical University of Innsbruck, Innsbruck, Austria
20. Clinic for General, Visceral and Transplantation Surgery, Universitatsmedizin Mainz, Mainz, Germany
21. Department of Surgery, Division of Transplant Surgery, University of Colorado School of Medicine, Denver, Colorado, USA
22. Division of Transplant Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
23. Sherrie & Alan Conover Center for Liver Disease & Transplantation, Houston Methodist Hospital, Houston, Texas, USA
24. Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska, USA
25. Department of Surgery, Division of Transplantation and Hepatobiliary Surgery, University of California, San Diego, San Diego, California, USA
26. Department of Hepatobiliary Surgery & Transplantation, Division of Transplantation, Penn State College of Medicine, Hershey, Pennsylvania, USA
27. Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
28. Section of Hepatobiliary and Transplant Surgery, University of Louisville School of Medicine, Louisville, Kentucky, USA
29. Medstar Georgetown Transplant Institute, Georgetown University, Washington, District of Columbia, USA