1. Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
2. Division of Cardiovascular Medicine, Toho University Ohashi Medical Center
3. Department of Cardiology, Keio University School of Medicine
4. Department of Cardiology, Tokai University Hospital
5. Department of Cardiology, Kokura Memorial Hospital
6. Department of Cardiovascular Medicine, Kurashiki Central Hospital
7. Department of Cardiology, The Sakakibara Heart Institute of Okayama
8. Department of Cardiology, New Tokyo Hospital
9. Department of Cardiology, Sakakibara Heart Institute
10. Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine
11. Department of Cardiology, Ehime Prefectural Central Hospital
12. Department of Cardiology, Teikyo University School of Medicine
13. Department of Cardiology, Saiseikai Yokohama City Eastern Hospital
14. Department of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
15. Department of Cardiology and Catheterization Laboratories, Shonan Kamakura General Hospital
16. Department of Cardiology, Aichi Heart Center, Nagoya Heart Center
17. Division of Cardiology, Mitsui Memorial Hospital
18. Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine
19. Department of Cardiovascular Medicine, Osaka City University Graduate School of Medicine
20. Department of Cardiology, Sapporo Higashi Tokushukai Hospital