1. Department of Cardiology, Kokura Memorial Hospital
2. Department of Cardiology, Sakakibara Heart Institute
3. St. Marianna University School of Medicine Hospital
4. Kyoto University Hospital
5. Red Cross Aichi Medical Center Nagoya Daini Hospital
6. National Cerebral and Cardiovascular Center
7. Showa University Fujigaoka Hospital
8. Department of Cardiology, Teikyo University School of Medicine
9. Yamagata Prefectural Central Hospital
10. Hirosaki University Hospital
11. Tokyo Women’s Medical University Hospital
12. Okayama University Hospital
13. Kyushu University Hospital
14. Yokohama City University Hospital
15. Medtronic Japan Co., Ltd.
16. Medtronic Inc.
17. Kyorin University Hospital