1. Ehime Prefectural Institute of Public Health and Environmental science
2. Kanagawa Prefectural Institute of Public Health
3. Yamagata Prefectural Institute of Public Health
4. Yamagata Prefectural Murayama Public Health center
5. Miyagi Prefectural Institute of Public Health and Environment
6. Akita Prefectural Institute of Public Health
7. Gunma Prefectural Institute of Public Health and Environmental Sciences
8. Shizuoka Prefectural Institute of Public Health and Environmental Science
9. Okayama Prefectural Institute for Environmental Science and Public Health
10. Fukuoka Institute of Health and Environmental Sciences
11. Nagasaki Prefectural Institute for Environmental Research and Public Health
12. Kagoshima Prefectural Institute for Environmental Research and Public Health (currently working at Kagoshima Prefectural Ijyuin Public Health center)
13. Department of Bacteriology, National Institute of Infectious Diseases
14. Department of Parasitology, National Institute of Infectious Diseases
15. Division of Biosafety Control and Research, National Institute of Infectious Diseases
16. Tsukuba Research Labora tory,AquasCo.,Ltd.