1. Division of Cardiology, Department of Medicine, Nihon University School of Medicine
2. Department of Cardiovascular Medicine
3. Center for Medical Education, Kyoto University Graduate School of Medicine
4. Department of Cardiology, Juntendo University School of Medicine
5. Department of Cardiology, Tenri Hospital
6. Division of Cardiovascular Medicine, Kanazawa University Graduate School of Medicine
7. Department of Cardiology, Fujita Health University
8. Division of Cardiology, Yokohama City University Medical Center
9. Division of Cardiovascular Medicine, Keiai Hospital
10. Toranomon Hospital
11. Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine