1. Osaka University Graduate School of Medicine
2. Midori Hospital
3. Kobe University Graduate School of Medicine
4. Kyoto Prefectural University of Medicine
5. National Cerebral and Cardiovascular Center
6. Saiseikai Kumamoto Hospital
7. Sakakibara Heart Institute
8. Japanese Red Cross Nagoya Daiichi Hospital
9. New Tokyo Hospital
10. Kobe City Medical Center General Hospital
11. The Sakakibara Heart Institute of Okayama
12. Yokohama City University School of Medicine