1. Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
2. Department of Cardiology, Kasaoka Daiichi Hospital
3. Department of Cardiovascular Medicine, Iwakuni Clinical Center
4. Department of Cardiology, Fukuyama City Hospital
5. Department of Cardiology, Ehime Prefectural Center Hospital
6. Department of Cardiology, Sumitomo Besshi Hospital
7. Department of Cardiology, Tsuyama Chuo Hospital
8. Department of Cardiology, Okayama Clinical Center
9. Department of Cardiology, Matsuyama Shimin Hospital
10. Department of Cardiology, Himeji Red Cross Hospital
11. Department of Cardiology, Kurashiki Central Hospital
12. Department of Cardiology, Sakurabashi Watanabe Hospital