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 Cardiovascular Medicine Shiga General Hospital Moriyama Japan
4. Division of Cardiology Tenri Hospital Tenri Japan
5. Department of Cardiovascular Medicine National Cerebral and Cardiovascular Center Suita Japan
6. Department of Cardiology Hyogo Prefectural Amagasaki General Medical Center Amagasaki Japan
7. Department of Cardiology National Hospital Organization Kyoto Medical Center Kyoto Japan
8. Department of Cardiology Osaka Red Cross Hospital Osaka Japan
9. Department of Cardiology Kishiwada City Hospital Kishiwada Japan
10. Department of Cardiology Kansai Electric Power Hospital Osaka Japan
11. Department of Cardiology Shizuoka General Hospital Shizuoka Japan
12. Department of Cardiology Kurashiki Central Hospital Kurashiki Japan
13. Department of Cardiology Kokura Memorial Hospital Kitakyushu Japan
14. Department of Cardiology Japanese Red Cross Wakayama Medical Center Wakayama Japan
15. Department of Cardiovascular Medicine Kobe City Medical Center General Hospital Kobe Japan
16. Department of Cardiovascular Medicine Shinshu University Graduate School of Medicine Matsumoto Japan