1. International University of Health and Welfare Tokyo Japan
2. National Cerebral and Cardiovascular Center Osaka Japan
3. Nippon Medical School Tokyo Japan
4. Tokyo Saiseikai Central Hospital Tokyo Japan
5. Kobe City Medical Centre General Hospital Kobe Japan
6. NHO Kyushu Medical Centre Fukuoka Japan
7. University of Toyama Toyama Japan
8. Senri Chuo Hospital Toyonaka Japan
9. Hokkaido University Graduate School of Medicine Sapporo Japan
10. Ichinomiya Nishi Hospital Ichinomiya Japan
11. Kushiro Rosai Hospital Kushiro Japan
12. Iseikai Medical Corporation Osaka Japan
13. Sakai City Medical Center Osaka Japan
14. Tohoku University Graduate School of Medicine Sendai Japan
15. Mie University Tsu Japan
16. Shonan keiiku Hospital Fujisawa Japan