1. Kyoto University Graduate School of Medicine; Kyoto Japan
2. University of Tokyo Graduate School of Medicine; Tokyo Japan
3. Yokohama City University Graduate School of Medicine; Yokohama Japan
4. Tokyo Medical and Dental University; Tokyo Japan
5. Osaka University Graduate School of Medicine; Osaka Japan
6. Nagasaki University School of Health Sciences; Nagasaki Japan
7. Hokkaido University Graduate School of Medicine; Sapporo Japan
8. Ehime University Graduate School of Medicine; Ehime Japan
9. Sapporo Medical University; Sapporo Japan
10. University of Occupational and Environmental Health School of Medicine; Kitakyushu Japan
11. Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
12. Tokyo Women's Medical University; Tokyo Japan
13. Kawasaki Medical School; Kurashiki Japan
14. Keio University School of Medicine; Tokyo Japan