1. Division of Cardiology, Department of Internal Medicine, Wonju Severance Christian Hospital, Yonsei University, Wonju College of Medicine, Wonju, Korea.
2. Center of Biomedical Data Science, Yonsei University, Wonju College of Medicine, Wonju, Korea.
3. Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.
4. Department of Internal Medicine, Samsung Medical Center, School of Medicine, Sungkyunkwan University, Seoul, Korea.
5. Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
6. Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.
7. Department of Internal Medicine, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea.