1. Division of Cardiology, Nihon University Itabashi Hospital
2. Department of Cardiology, Nihon University Hospital
3. Department of Cardiology, The Cardiovascular Institute
4. Cardiovascular Division, Osaka Police Hospital
5. Divison of Cardiology, Shonan-Kamakura General Hospital
6. Saiseikai Nakatsu Hospital
7. Divison of Cardiology, Pulmonary Medicine and Nephrology, Hirosaki University School of Medicine
8. Kitasato University Hospital
9. Dokkyo Medical University Saitama Medical Center
10. Kanazawa University Hospital
11. Nippon Medical Hospital
12. St. Marianna University School of Medicine Hospital
13. Saiseikai Kumamoto Hospital
14. Tokyo Jikei University School of Medicine Hospital
15. National Hospital Organization Tokyo Medical Center
16. Kyorin University Hospital
17. Tokyo Women’s Medical University Hospital
18. Fujita University Health Hospital
19. Tokyo Rinkai Hospital
20. Ishikawa Prefectural Central Hospital
21. Gunma Cardiovascular Center
22. Juntendo University
23. Tokyo Medical University Hospital
24. Teikyo University