1. Department of CardiologyNational Hospital Organization Kyoto Medical Center Kyoto Japan
2. Department of Clinical EpidemiologyHyogo College of Medicine Nishinomiya Japan
3. Division of CardiologyIwate Medical University Morioka Japan
4. Division of CardiologyKurashiki Central Hospital Kurashiki Japan
5. Division of Cardiology, Tsuchiya General Hospital Hiroshima Japan
6. Department of Cardiology, Saiseikai Yokohama City Eastern Hospital Yokohama Japan
7. Division of Cardiology and Cardiac Catheterization Laboratories, Showa University Northern Yokohama Hospital Yokohama Japan
8. Department of Cardiology, Tsukuba Medical Center Hospital Tsukuba Japan
9. Department of Cardiovascular Medicine, Yokohama Rosai Hospital Yokohama Japan
10. Cardiovascular Center, Miyazaki Medical Association Hospital Miyazaki Japan
11. Department of Cardiology, Tokushima Red Cross Hospital Tokushima Japan
12. Division of Cardiology, Shizuoka Prefectural Hospital Shizuoka Japan
13. Department of Cardiovascular Medicine, Hokkaido Ohno Hospital Sapporo Japan
14. Sequoia Hospital Redwood City California
15. Department of Cardiovascular Medicine, Graduate School of MedicineKyoto University Kyoto Japan