Affiliation: | 1. Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea;2. Liver Cirrhosis Clinical Research Center, Seoul, Korea;3. Department of Internal Medicine, Uijeongbu St. Mary's Hospital, The Catholic University of Korea College of Medicine, Uijeongbu, Korea;4. Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea |