1. Division of Cardiology, Yokohama City University Medical Center
2. Department of Cardiology, Saiseikai Yokohama Nanbu Hospital
3. Department of Cardiology, Kanagawa Prefectural Cardiovascular and Respiratory Center
4. Department of Cardiology, Fujisawa Municipal Hospital
5. Department of Cardiology, Yokosuka Municipal Hospital
6. Department of Cardiology, Omori Red Cross Hospital
7. Department of Cardiology, National Hospital Organization Sagamihara National Hospital
8. Department of Cardiology, International Goodwill Hospital
9. Department of Cardiology, Prefectural Ashigara-kami Hospital
10. Department of Cardiology, Fujisawa Shounandai Hospital
11. Department of Cardiovascular Medicine, Chigasaki Municipal Hospital
12. Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine