1. Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University
2. Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital
3. Department of Clinical Epidemiology, Hyogo College of Medicine
4. Division of Cardiology, Kokura Memorial Hospital
5. Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
6. Division of Cardiovascular Surgery, Kokura Memorial Hospital
7. Department of Cardiology, Kurashiki Central Hospital
8. Department of Cardiology, Shizuoka City Shizuoka Hospital
9. Department of Cardiovascular Surgery, Shizuoka City Shizuoka Hospital
10. Department of Cardiovascular Surgery, Shizuoka General Hospital
11. Department of Cardiology, Shizuoka General Hospital
12. Department of Cardiology, Japanese Red Cross Wakayama Medical Center
13. Division of Cardiology, Shimada General Medical Center
14. Department of Cardiology, Tenri Hospital
15. Department of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
16. Department of Cardiovascular Center, Osaka Red Cross Hospital
17. Department of Cardiology, Kishiwada City Hospital
18. Department of Cardiology, Mitsubishi Kyoto Hospital
19. Cardiovascular Center, The Tazuke Kofukai Medical Research Institute, Kitano Hospital
20. Department of Cardiology, Koto Memorial Hospital
21. Department of Cardiology, National Hospital Organization Kyoto Medical Center
22. Department of Cardiology, Kansai Electric Power Hospital
23. Department of Cardiology, Japanese Red Cross Otsu Hospital
24. Division of Cardiology, Nara Hospital, Kinki University Faculty of Medicine
25. Department of Cardiology, Shiga General Hospital
26. Department of Cardiovascular Surgery, Kurashiki Central Hospital
27. Department of Cardiovascular Surgery, Graduate School of Medicine, Kyoto University