1. Department of Cardiovascular Medicine Kyoto University Graduate School of Medicine Kyoto Japan
2. Clinical Epidemiology Hyogo College of Medicine Nishinomiya Japan
3. Department of Cardiology Mitsubishi Kyoto Hospital Kyoto Japan
4. Cardiovascular Medicine Shiga General Hospital Moriyama Japan
5. Division of Cardiology Tenri Hospital Nara Japan
6. Department of Cardiovascular Medicine National Cerebral and Cardiovascular Center Osaka Japan
7. Department of Cardiology Hyogo Prefectural Amagasaki General Medical Center Amagasaki Hyogo Japan
8. Department of Cardiology National Hospital Organization Kyoto Medical Center Kyoto Japan
9. Department of Cardiology Osaka Red Cross Hospital Osaka Japan
10. Department of Cardiology Kurashiki Central Hospital Okayama Japan
11. Department of Cardiology Kokura Memorial Hospital Fukuoka Japan
12. Department of Cardiology Japanese Red Cross Wakayama Medical Center Wakayama Japan
13. Department of Cardiovascular Medicine Kobe City Medical Center General Hospital Kobe Hyogo Japan
14. Department of Cardiovascular Medicine Shinshu University Graduate School of Medicine Nagano Japan