1. Department of Environmental Health and Toxicology, Tokyo Metropolitan Institute of Public Health
2. Tokyo University of Agriculture
3. Department of Pathology and Oncology, Juntendo University School of Medicine
4. Immuno-Biological Laboratory Co., Ltd.
5. Department of Molecular Toxicology, Nagoya City University
6. Divisions of Risk Assessment, Biological Safety Research Center
7. Environmental Chemistry, National Institute of Health Sciences