1. Departments of Surgery, Severance Hospital, Yonsei University Health System, Seoul, Korea and Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea
2. Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea and Internal Medicine, Severance Hospital, Yonsei University Health System, Seoul, Korea
3. Department of Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Korea