1. Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University
2. Department of Cardiology, Kurashiki Central Hospital
3. Department of Cardiovascular Medicine, Sendai Kousei Hospital
4. Division of Cardiology and Catheterization Laboratories, Shonan Kamakura General Hospital
5. Division of Cardiology, Tokai University School of Medicine
6. Division of Cardiology, Department of Internal Medicine, Kobe University Graduates School of Medicine
7. Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University
8. Department of Cardiovascular Medicine, Saga University
9. Department of Cardiology, Kokura Memorial Hospital