1. Department of Cardiology Rinku General Medical Center Osaka Japan
2. Division of Cardiology Osaka General Medical Center Osaka Japan
3. Division of Cardiology Amagasaki Chuo Hospital Amagasaki Japan
4. Department of Medical Informatics Osaka University Graduate School of Medicine Osaka Japan
5. Division of Cardiology Kawanishi City Hospital Kawanishi Japan
6. Division of Cardiology Osaka Rosai Hospital Osaka Japan
7. Cardiovascular Division Osaka Police Hospital Osaka Japan
8. Department of Cardiovascular Medicine Osaka University Graduate School of Medicine Osaka Japan