1. Division of Cardiology, Saiseikai Kumamoto Hospital
2. Department of Cardiology, Hirosaki University Graduate School of Medicine
3. Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
4. Department of Cardiovascular and Renal Medicine, Hyogo College of Medicine
5. Division of Cardiology, Sakurabashi-Watanabe Hospital
6. Department of Cardiology, New Tokyo Hospital
7. Department of Cardiology, Okinawa Prefectural Nanbu Medical Center and Children’s Medical Center
8. Department of Cardiology, Cardiovascular Center, Shin-Koga Hospital
9. Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University
10. Department of Cardiovascular Medicine, Kitasato University School of Medicine
11. Department of Cardiovascular Medicine, Fukushima Medical University
12. Division of Cardiology, Japan Community Health Care Organization (JCHO) Chukyo Hospital
13. Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University
14. Department of Cardiology, Faculty of Medicine, University of Tsukuba
15. Department of Cardiology, Himeji Cardiovascular Center
16. Department of Cardiovascular Medicine, Faculty of Medical Sciences, University of Fukui
17. Department of Cardiology, Yokohama City University Hospital
18. Department of Cardiology, Japanese Red Cross Kumamoto Hospital
19. Department of Cardiovascular Medicine, Itabashi Chuo Medical Center
20. Department of Cardiology, Japanese Red Cross Fukuoka Hospital
21. Department of Cardiovascular Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University
22. Medtronic Inc
23. Medtronic Japan Co., Ltd.