Affiliation: | 1. Department of Gastroenterology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea;2. Department of Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea;3. Department of Radiology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea;4. Department of Surgery, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea |