1. Department of Cardiology (S-W.L., P.H.L., J.-M.A., D.-W.P., H.K., S.-J.K., Y.-H.K., C.W.L., S.-W.P., S.-J.P.), Center for Medical Research and Information, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
2. Biostatistics (S.-C.Y.), Center for Medical Research and Information, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
3. Department of Applied Statistics, Gachon University, Seongnam, Korea (S.H.).
4. Department of Cardiology, Keimyung University Dongsan Medical Center, Daegu, Korea (S.H.H.).
5. Department of Cardiology, Korea University Guro Hospital, Seoul (S.-W.R.).
6. Department of Cardiology, The Catholic University of Korea, Daejeon St. Mary’s Hospital (S.-H.H.).
7. Department of Cardiology, Chungnam National University Hospital, Daejeon, Korea (S.W.C.).
8. Department of Cardiology, Kangwon National University Hospital, Chuncheon, Korea (B.-K.L.).
9. Department of Cardiology, Soon Chun Hyang University Hospital Bucheon, Korea (N.-H.L.).
10. Department of Cardiology, Kangbuk Samsung Medical Center, Seoul, Korea (J.-Y.L.).
11. Department of Cardiology, Gangneung Asan Hospital, Korea (S.-S.C.).
12. Department of Cardiology, Dong-A University Hospital, Busan, Korea (M.H.K.).
13. Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea (Y.-K.A.).
14. Department of Cardiology, CHA Bundang Medical Center, Seongnam, Korea (S.W.L.).
15. Department of Cardiology, Ulsan University Hospital, Korea (S.-G.L.).
16. Department of Cardiology, Ruby Hall Clinic, Pune, India (S.H.).
17. Department of Cardiology, Medistra Hospital, Jakarta, Indonesia (T.S.).
18. Department of Cardiology, King Chulalongkorn Memorial Hospital, Bangkok, Thailand (W.U.).
19. Department of Cardiology, Shin Kong Hospital, Taipei, Taiwan (J.J.C.).
20. Saint Luke’s Mid America Heart Institute, Kansas City, MO (D.J.C.).
21. Department of Cardiology, Tokyo General Hospital, Japan (T.M.).
22. Toyohashi Heart Center, Aichi, Japan (E.T.).
23. Department of Cardiology, Hakujikai Memorial Hospital, Tokyo, Japan (Y.A.).