1. Second Department of Internal Medicine, University of Toyama
2. Department of Medical and Health Information Management, National Cerebral and Cardiovascular Center
3. Clinical Research Support Center, University of Miyazaki Hospital
4. Department of Cardiology, Sakurabashi-Watanabe Hospital
5. Division of Cardiology, Department of Internal Medicine, Tokai University School of Medicine
6. Department of Cardiology, Keio University School of Medicine
7. Division of Cardiology, Department of Internal Medicine, Iwate Medical University
8. Department of Cardiology, Nagoya City University Graduate School of Medical Sciences
9. Division of Cardiovascular Surgery, Tohoku University Graduate School of Medicine
10. Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
11. Department of Cardiovascular Surgery, Dokkyo Medical University Saitama Medical Center
12. Department of Cardiovascular Surgery, Chiba University Graduate School of Medicine
13. Division of Cardiovascular Medicine and Endocrinology and Metabolism, Faculty of Medicine, Tottori University
14. Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine