| Institution: | 1. Department of Internal Medicine, Seoul National University Bundang Hospital and Seoul National University College of Medicine, Seongnam, Republic of Korea;2. Department of Internal Medicine, Halla General Hospital, Jeju, Republic of Korea;3. Department of Internal medicine, Gyeongsang National University Changwon Hospital, Republic of Korea;4. Department of Internal Medicine, Borame Hospital and Seoul National University College of Medicine, Republic of Korea;5. Department of Internal Medicine, Seoul National University Hospital and Seoul National University College of Medicine, Seoul, Republic of Korea |
