1. Department of Dermatology, Tohoku University Graduate School of Medicine
2. Hatano Research Institute, Food and Drug Safety Center
3. Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd.
4. Health Research Institute, Advanced Industrial Science and technology (AIST)
5. Biomedical Research Institute, Advanced Industrial Science and Technology (AIST)
6. Division of Biostatistics, Department of Social/Community Medicine and Health Science, Kobe University School of Medicine
7. Japanese Center for the Validation of Alternative Methods