1. Division of Cardiology, Iruma Heart Hospital
2. Department of Cardiovascular Medicine, Toho University Faculty of Medicine
3. Department of Cardiovascular Medicine, Nippon Medical School
4. Department of Heart Rhythm Management, University of Occupational and Environmental Health, Japan
5. Department of Clinical Laboratory Medicine and Genetics, National Cerebral and Cardiovascular Center
6. School of Health Sciences, Niigata University School of Medicine
7. Division of Cardiology, Department of Medicine, Showa University School of Medicine
8. Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
9. Department of Cardiovascular Medicine, Kitasato University School of Medicine
10. Department of Cardiology and Clinical Examination, Faculty of Medicine, Oita University
11. Department of Cardiology, Keio University School of Medicine
12. Cardiology Division, Cardiovascular Center, Showa University Koto-Toyosu Hospital
13. Division of Cardiology, Department of Internal Medicine, Fujita Health University Bantane Hospital
14. Department of Cardiology, Tokai University School of Medicine
15. Cardiovascular Center, International University of Health and Welfare, Mita Hospital
16. Department of Intensive Care Medicine, National Defense Medical College
17. Department of Cardiology, International University of Health and Welfare, Mita Hospital
18. Cardiovascular Medicine, Kyoto University Graduate School of Medicine
19. Cardiovascular Center, Kindai University Hospital
20. Department of Cardiology, Faculty of Medicine, University of Tsukuba
21. Department of Pediatric Cardiology, Saitama Medical University International Medical Center