1. Division of Hepatology, Department of Internal Medicine, Bucheon St. Mary’s Hospital, The Catholic University of Korea College of Medicine, Bucheon, Korea
2. Division of Hepatology, Seoul St. Mary’s Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea
3. Department of Internal Medicine, Seoul St. Mary’s Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea
4. Department of Surgery, Seoul St. Mary’s Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea
5. Division of Hematology, Department of Internal Medicine, Seoul St. Mary’s Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea