1. Division of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
2. Division of Cardiology, Department of Internal Medicine, Ewha Womans University Seoul Hospital, College of Medicine, Ewha Womans University, Seoul, Korea.
3. Cardiovascular Center, Korea University Guro Hospital, Seoul, Korea.
4. Division of Cardiology, Severance Cardiovascular Hospital and Cardiovascular Research Institute, Yonsei University College of Medicine, Seoul, Korea.
5. Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea.
6. Cardiovascular Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
7. Cardiovascular Center, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea.
8. Division of Cardiology, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
9. Division of Cardiology, Department of Internal Medicine, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea.
10. Department of Internal Medicine, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea.
11. Division of Cardiology, Department of Internal Medicine, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea.
12. Department of Precision Medicine, Wonju College of Medicine, Yonsei University, Wonju, Korea.
13. Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.
14. Division of Cardiology, Department of Internal Medicine, Gil Hospital, Gachon University, Incheon, Korea.
15. Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
16. Division of Cardiology, Department of Internal Medicine, Yeouido St. Mary’s Hospital, The Catholic University of Korea, Seoul, Korea.
17. Division of Cardiology, Department of Internal Medicine, Kyung Hee University at Gangdong, Seoul, Korea.
18. Division of Cardiology, Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, Korea.
19. Division of Cardiology, Department of Internal Medicine, Eulji Medical School of Medicine, Seoul, Korea.
20. Division of Cardiology, Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Korea.
21. Department of Biostatistics, Wonju College of Medicine, Yonsei University, Wonju, Korea.
22. Division of Cardiology, Department of Internal Medicine, Bucheon St. Mary’s Hospital, The Catholic University of Korea, Seoul, Korea.
23. Division of Cardiology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.