1. Department of Cardiology Faculty of Medicine University of Tsukuba
2. Cardiovascular Center Kindai University Hospital
3. Department of Heart Rhythm Management University of Occupational and Environmental Health Japan
4. Department of Cardiology Kokura Memorial Hospital
5. Department of Cardiology Yokohama City University Hospital
6. Department of Cardiovascular Surgery Kure Medical Center and Chugoku Cancer Center
7. Department of Cardiac Surgery Nagoya University Graduate School of Medicine
8. Department of Cardiology Yokohama City Minato Red Cross Hospital
9. Department of Cardiovascular Medicine National Cerebral and Cardiovascular Center
10. Heart Rhythm Center Fukuoka Sanno Hospital
11. Department of Cardiovascular Medicine Tokyo Medical and Dental University
12. Tokai University Hachioji Hospital
13. Ube‐kohsan Central Hospital
14. Department of Cardiovascular Medicine Graduate School of Medicine Nippon Medical School
15. Department of Cardiology Tokyo Women’s Medical University
16. Department of Pediatric Cardiology Saitama Medical University International Medical Center
17. Department of Cardiology Yokosuka Kyosai Hospital
18. Department of Cardiovascular Medicine Faculty of Medical Sciences University of Fukui
19. Gunma Prefectural Cardiovascular Center
20. Department of Cardiovascular Medicine Juntendo University Urayasu Hospital
21. Department of Cardiac Surgery Tokyo Metropolitan Geriatric Hospital
22. Department of Cardiovascular Surgery Nippon Medical School
23. Department of Cardiovascular Medicine Kitasato University School of Medicine
24. Fourth Department of Internal Medicine Teikyo University Hospital Mizonokuchi
25. Department of Cardiology Jikei University School of Medicine
26. Division of Arrhythmia Cardiovascular Center Sakurabashi Watanabe Hospital
27. Department of Cardiology Nagoya University Graduate School of Medicine
28. Arrhythmia Center Chiba Nishi General Hospital
29. Department of Cardiovascular Medicine Shizuoka Medical Center
30. Advanced Management of Cardiac Arrhythmias Hirosaki University Graduate School of Medicine
31. Department of Cardiology and Nephrology Hirosaki University Graduate School of Medicine
32. Department of Cardiology Tokyo Medical University Hospital
33. Department of Pediatric Electrophysiology Osaka City General Hospital
34. Arrhythmia Center Second Department of Internal Medicine Kyorin University Hospital
35. Division of Cardiac Arrhythmia Department of Internal Medicine II Kansai Medical University
36. School of Health Sciences Faculty of Medicine Niigata University
37. Department of Cardiovascular Therapeutics Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
38. Department of Cardiovascular Medicine Tsuchiura Kyodo General Hospital
39. Department of Cardiovascular Surgery Hyogo College of Medicine
40. Division of Cardiology Saitama Medical Center Jichi Medical University
41. Department of Cardiovascular Medicine Nippon Medical School Chiba‐Hokusoh Hospital
42. Department of Pediatric Cardiology Congenital Heart Disease Center Tenri Hospital
43. Department of Thoracic and Cardiovascular Surgery Osaka Medical College
44. Tachikawa Medical Center
45. Okayama City Hospital
46. Department of Cardiology Graduate School of Medicine and Faculty of Medicine Kyoto University
47. Department of Cardiovascular Surgery Kawasaki Medical School
48. Department of Cardiovascular Medicine Kyushu University
49. Tachikawa Hospital