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