1. Kindai University
2. Osaka City University
3. Teikyo University
4. Kyoto University
5. University of Occupational and Environmental Health
6. Kitasato University
7. Saga University
8. Tokyo University of Science
9. Kurume University
10. Keio University
11. Nagoya City University
12. Kyorin University
13. Kansai Technical Center
14. University of Fukui
15. Chubu University
16. Shinshu University
17. Japan Bioassay Research Center
18. Osaka University
19. Chiba University
20. Wakayama Medical University
21. Japan Industrial Safety and Health Association
22. Fukushima Medical University
23. Jumonji University
24. Showa University