1. Department of Cardiovascular Surgery, Graduate School of Medicine, Kyoto University
2. Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University
3. Division of Cardiology, Kokura Memorial Hospital
4. Division of Cardiovascular Surgery, Kokura Memorial Hospital
5. Department of Cardiovascular Surgery, Kurashiki Central Hospital
6. Department of Cardiology, Kurashiki Central Hospital
7. Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital
8. Department of Cardiovascular Surgery, Kobe City Medical Center General Hospital
9. Department of Cardiology, Tenri Hospital
10. Department of Cardiovascular Surgery, Tenri Hospital
11. Department of Cardiology, Shizuoka City Shizuoka Hospital
12. Department of Cardiovascular Surgery, Shizuoka City Shizuoka Hospital