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