1. Department of Cardiovascular Medicine Yao Municipal Hospital 1‐3‐1 Ryuge‐cho Yao Osaka 581‐0069 Japan
2. Division of Cardiology Osaka General Medical Center Osaka Japan
3. Division of Cardiology Osaka Rosai Hospital Sakai Japan
4. Cardiovascular Division Osaka Police Hospital Osaka Japan
5. Division of Cardiology Amagasaki‐Chuo Hospital Amagasaki Japan
6. Department of Medical Informatics Osaka University Graduate School of Medicine Suita Japan
7. Division of Cardiology Kawanishi City Hospital Kawanishi Japan
8. Department of Cardiology Rinku General Medical Center Izumisano Japan
9. Department of Cardiovascular Medicine Osaka University Graduate School of Medicine Suita Japan
10. Osaka General Medical Center Osaka Japan
11. Osaka Police Hospital Osaka Japan
12. Kansai Rosai Hospital Amagasaki Japan
13. Kobe Ekisaikai Hospital Kobe Japan
14. Rinku General Medical Center Izumisano Japan
15. Kawanishi City Hospital Kawanishi Japan
16. National Hospital Organization Osaka National Hospital Osaka Japan
17. Ikeda Municipal Hospital Ikeda Japan
18. Osaka Rosai Hospital Sakai Japan
19. Japan Community Health Care Organization Osaka Hospital Osaka Japan
20. Higashiosaka City Medical Center Higashiosaka Japan
21. Kawachi General Hospital Higashiosaka Japan
22. Yao Municipal Hospital Yao Japan
23. Kinki Central Hospital Itami Japan
24. Japan Community Health Care Organization Osaka Minato Central Hospital Osaka Japan
25. Sumitomo Hospital Osaka Japan
26. Saiseikai Senri Hospital Suita Japan
27. National Hospital Organization Osaka Minami Medical Center Kawachinagano Japan
28. Kano General Hospital Osaka Japan
29. Kinan Hospital Tanabe Japan
30. Hyogo Prefectural Nishinomiya Hospital Nishinomiya Japan
31. Sakurabashi Watanabe Hospital Osaka Japan
32. Japan Community Health Care Organization Hoshigaoka Medical Center Hirakata Japan
33. Minoh City Hospital Minoh Japan
34. Osaka International Cancer Institute Osaka Japan
35. Suita Municipal Hospital Suita Japan
36. Toyonaka Municipal Hospital Toyonaka Japan
37. Otemae Hospital Osaka Japan
38. Amagasaki Chuo Hospital Amagasaki Japan
39. Osaka University Graduate School of Medicine Suita Japan