1. Transplant Research Center, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
2. Division of Nephrology, Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
3. Division of Nephrology, Department of Internal Medicine, Keimyung University School of Medicine, Keimyung University Kidney Institute, Daegu, Republic of Korea
4. Department of General Surgery, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea