1 The Catholic University Liver Research Center, College of Medicine, The Catholic University of Korea, Seoul, Korea.
2 Division of Hepatology, Department of Internal Medicine, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.
3 Division of Hepatology, Department of Internal Medicine, College of Medicine, Uijeongbu St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.
4 Division of Hepatology, Department of Internal Medicine, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea. pssung@catholic.ac.kr.
5 Division of Hepatology, Department of Internal Medicine, College of Medicine, Eunpyeong St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea. baesh@catholic.ac.kr.