1. Osaka Institute of Public Health
2. Osaka Prefecture Fujiidera Public Health Center
3. Kyoto City Institute of Health and Environmental Sciences
4. Kobe Institute of Health
5. Nara Prefectural Institute of Health
6. Sakai City Institute of Public Health
7. Wakayama Prefectural Research Center of Environment and Public Health
8. Wakayama Prefecture Shingu Public Health Center Kushimoto Branch Office
9. San-Ei Gen F.F.I., Inc.
10. Hatano Research Institute, Food and Drug Safety Center