1. Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine
2. Department of Clinical Epidemiology, Hyogo College of Medicine
3. Department of Cardiovascular Medicine, Shiga Medical Center for Adults
4. Division of Cardiology, Tenri Hospital
5. Department Cardiology Division, Massachusetts General Hospital and Harvard Medical School
6. Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital
7. Department of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
8. National Hospital Organization Kyoto Medical Center
9. Mitsubishi Kyoto Hospital
10. Shimabara Hospital
11. Japanese Red Cross Otsu Hospital
12. Hikone Municipal Hospital
13. Osaka Red Cross Hospital
14. Kishiwada City Hospital
15. Kansai Electric Power Hospital
16. Shizuoka General Hospital
17. Kurashiki Central Hospital
18. Kokura Memorial Hospital
19. Japanese Red Cross Wakayama Medical Center
20. Nishikobe Medical Center
21. Kitano Hospital
22. Department of Cardiovascular Medicine, Shinshu University Graduate School of Medicine