1. Transplantation Center, Seoul National University Hospital, Seoul, Korea.
2. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Surgery, Yonsei University College of Medicine, Seoul, Korea.
4. Vitallink, Seoul, Korea.
5. Department of Internal Medicine, Eulji University School of Medicine, Seoul, Korea.
6. Korean Network for Organ Sharing, Seoul, Korea.
7. Department of Surgery, Seoul National University College of Medicine, Seoul, Korea.
8. Department of Surgery, Keimyung University School of Medicine, Daegu, Korea.