1. Department of Cardiology, Kokura Memorial Hospital
2. Department of Clinical Epidemiology, Hyogo College of Medicine
3. Department of Cardiovascular Medicine, Saga University
4. Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine
5. Department of Cardiology, Shizuoka General Hospital
6. Department of Cardiology, Kurashiki Central Hospital
7. Department of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
8. Department of Cardiology, Kishiwada City Hospital
9. Department of Cardiology, Hamamatsu Rosai Hospital
10. Department of Cardiology, Koto Memorial Hospital
11. Department of Cardiology, Kobe City Nishi-Kobe Medical Center
12. Department of Cardiology, Juntendo University Shizuoka Hospital
13. Department of Cardiology, Kindai University Nara Hospital
14. Department of Cardiovascular Surgery, Tenri Hospital
15. Cardiovascular Center, The Tazuke Kofukai Medical Research Institute, Kitano Hospital
16. Department of Cardiovascular Medicine, Shiga University of Medical Science
17. Department of Cardiology, Kansai Electric Power Hospital
18. Department of Cardiology, Japanese Red Cross Wakayama Medical Center
19. Department of Cardiology, Mitsubishi Kyoto Hospital
20. Department of Cardiology, Shizuoka City Shizuoka Hospital
21. Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital
22. Department of Cardiovascular Center, Osaka Red Cross Hospital