1. Department of Internal Medicine Gil Hospital Gachon University Incheon Korea
2. Department of Internal Medicine Seoul National University Bundang Hospital Seongnam Korea
3. Department of Internal Medicine BHS Hanseo Hospital Busan Korea
4. Department of Internal Medicine Bucheon St. Mary’s Hospital The Catholic University of Korea Bucheon Korea
5. Department of Internal Medicine Chonbuk National University Medical School Jeonju Korea
6. Department of Prevention and Management School of Medicine Inha University Hospital Inha University Incheon Korea
7. Transplantation Research Institute Seoul National University Hospital Seoul Korea
8. Department of Surgery Transplantation Center Seoul National University Hospital Seoul Korea
9. Department of Surgery Yonsei University College of Medicine Seoul Korea
10. Department of Public Health Sciences Graduate School of Public Health Seoul National University Seoul Korea
11. Department of Internal Medicine Seoul National University Hospital Seoul National University College of Medicine Seoul Korea