1. Department of Surgery Starzl Transplantation InstituteUniversity of Pittsburgh School of Medicine Pittsburgh PennsylvaniaUSA
2. Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine Ehime Japan
3. Transplant Center Massachusetts General HospitalHarvard Medical School Boston MassachusettsUSA
4. Department of Drug Discovery Medicine Kyoto Prefectural University of Medicine Kyoto City Japan
5. Department of Surgery Allegheny General Hospital Pittsburgh PennsylvaniaUSA
6. Department of Gastroenterological Surgery Cancer Institute HospitalJapanese Foundation for Cancer Research Tokyo Japan
7. Department of Pathology Division of Transplantation Pathology University of Pittsburgh School of Medicine Pittsburgh PennsylvaniaUSA
8. Liver Cancer Center University of Pittsburgh Medical Center Pittsburgh PennsylvaniaUSA
9. Department of Immunology University of Pittsburgh School of Medicine Pittsburgh PennsylvaniaUSA