Affiliation: | 1. Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea;2. Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea;3. Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea;4. Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea |