1. Department of Hygiene, School of MedicineWakayama Medical University Wakayama Japan
2. Environment and Genome Research CenterTohoku University Graduate School of Medicine Sendai Japan
3. Department of Obstetrics and GynecologyTohoku University Graduate School of Medicine Sendai Japan
4. National Institute for Environmental Studies, Tsukuba, Japan
5. National Center for Child Health and Development, Tokyo, Japan
6. Hokkaido University, Sapporo, Japan
7. Tohoku University, Sendai, Japan
8. Fukushima Medical University, Fukushima, Japan
9. Chiba University, Chiba, Japan
10. Yokohama City University, Yokohama, Japan
11. University of Yamanashi, Chuo, Japan
12. University of Toyama, Toyama, Japan
13. Nagoya City University, Nagoya, Japan
14. Kyoto University, Kyoto, Japan
15. Osaka University, Suita, Japan
16. Hyogo College of Medicine, Nishinomiya, Japan
17. Tottori University, Yonago, Japan
18. Kochi University, Nankoku, Japan
19. University of Occupational and Environmental Health, Kitakyushu, Japan
20. Kumamoto University, Kumamoto, Japan