| Affiliation: | 1. Cardiology Division, Severance Cardiovascular Hospital, Yonsei University Health System, Seoul, Korea;2. Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea;3. Department of Biostatistics, Yonsei University College of Medicine, Seoul, Korea;4. Division of Cardiology, Department of Medicine, Cardiovascular Imaging Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea;5. Department of Cardiology, Seoul National University Hospital, Seoul, Korea;6. Cardiovascular Center, Korea University Guro Hospital, Seoul, Korea;7. Department of Internal Medicine, Inje University College of Medicine, Busan Paik Hospital, Busan, Korea;8. Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea |
