1. Department of Cardiovascular Medicine, Kitasato University School of Medicine
2. Cardiovascular Center, Saiseikai Kumamoto Hospital
3. Department of Cardiovascular Medicine, Fujita Health University
4. Department of Cardiology, Yokohama City University Medical Center
5. Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
6. Department of Cardiology, Juntendo University Shizuoka Hospital
7. Department of Cardiology, National Hospital Organization Kumamaoto Medical Center
8. Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital
9. Department of Cardiology, Osaka General Medical Center
10. Department of Cardiovascular Medicine, Nippon Medical School
11. Department of Cardiovascular Medicine, Nara Medical University
12. Department of Cardiovascular Medicine, The Sakakibara Heart Institute of Okayama
13. Department of Cardiology, Ogaki Municipal Hospital
14. Department of Cardiovascular Medicine, Dokkyo Medical University
15. Department of Cardiology, Sakurabashi Watanabe Hospital
16. Cardiovascular Center, Kansai Rosai Hospital
17. Department of Preventive Cardiology, National Cerebral and Cardiovascular Center
18. Division of Cardiovascular and Renal Medicine, Hyogo College of Medicine