1. Department of Nursing, Asan Medical Center, Seoul, Korea.
2. Department of Nursing, Sungshin Women's University College of Nursing, Seoul, Korea.
3. Department of Nursing, University of Ulsan College of Medicine, Seoul, Korea.
4. Organ Transplantation Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
5. Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.