1. National Institute of Health Sciences
2. Oita Prefectural Institute of Health and Environment
3. Nara Prefecture Institute of Health
4. Toyama Institute of Health
5. Yamanashi Institute of Public Health and Environment
6. Kumamoto Prefectural Institute of Public-Health and Environmental Science
7. Miyagi Prefectural Institute of Public Health and Environment
8. Utsunomiya City Institute of Public Health and Environment
9. Miyazaki Prefectural Institute for Public Health and Environment
10. Shizuoka Institute of Environment and Hygiene
11. Sendai City Institute of Public Health
12. Kobe Institute of Health
13. Research Institute for Environmental Sciences and Public Health of Iwate Prefecture
14. Saitama City Institute of Health Science and Research
15. Ehime Prefectural Institute of Public Health and Environmental Science
16. Otsu City Public Health Center
17. Fukuoka City Institute of Health and Environment
18. Okinawa Prefectural Institute of Health and Environment
19. Akita Prefectural Research Center for Public Health and Environment
20. Tokyo Metropolitan Institute of Public Health
21. Saitama Institute of Public Health
22. Graduate School of Agriculture, Tokyo University of Agriculture and Technology