1. Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine
2. Department of Social and Environmental Medicine, Osaka University Graduate School of Medicine
3. Department of Medical Innovation, Osaka University Hospital
4. Division of Cardiology, Osaka General Medical Center
5. Division of Cardiology, Osaka National Hospital
6. Division of Cardiology, Kawanishi City Hospital
7. Division of Cardiology, Osaka Police Hospital
8. Division of Cardiology, Kobe Ekisaikai Hospital
9. Division of Cardiology, Kansai Rosai Hospital
10. Division of Cardiology, Amagasaki Central Hospital