1. Department of Cardiovascular Medicine Kyoto University Graduate School of Medicine Kyoto Japan
2. Department of Cardiovascular Medicine Saga University Saga Japan
3. Department of Clinical Epidemiology Hyogo College of Medicine Nishinomiya Japan
4. Department of Cardiology Kurashiki Central Hospital Kurashiki Japan
5. Department of Cardiology Shizuoka General Hospital Shizuoka Japan
6. Department of Cardiology Kokura Memorial Hospital Kitakyushu Japan
7. Department of Cardiology Mitsubishi Kyoto Hospital Kyoto Japan
8. Department of Cardiology Hyogo Prefectural Amagasaki General Medical Center Amagasaki Japan
9. Department of Cardiovascular Medicine Kobe City Medical Center General Hospital Kobe Japan
10. Department of Cardiology Shizuoka City Shizuoka Hospital Shizuoka Japan
11. Department of Cardiology Japanese Red Cross Wakayama Medical Center Wakayama Japan
12. Department of Cardiovascular Surgery Japanese Red Cross Wakayama Medical Center Wakayama Japan
13. Department of Cardiology Hamamatsu Rosai Hospital Hamamatsu Japan
14. Department of Cardiology Juntendo University Shizuoka Hospital Izunokuni Japan
15. Department of Cardiovascular Surgery Tenri Hospital Tenri Japan
16. Department of Cardiology Tenri Hospital Tenri Japan
17. Department of Cardiovascular Surgery Kokura Memorial Hospital Kitakyushu Japan
18. Department of Cardiovascular Center Osaka Red Cross Hospital Osaka Japan
19. Department of Cardiology Kishiwada City Hospital Kishiwada Japan
20. Department of Cardiovascular Surgery Kobe City Medical Center General Hospital Kobe Japan
21. Division of Cardiology Shimada Municipal Hospital Shimada Japan
22. Department of Cardiovascular Surgery Shizuoka City Shizuoka Hospital Shizuoka Japan
23. Department of Cardiovascular Surgery Kurashiki Central Hospital Kurashiki Japan
24. Department of Cardiovascular Surgery Kyoto University Graduate School of Medicine Kyoto Japan
25. Department of Cardiovascular Medicine Shiga University of Medical Science Shiga Japan