1. Division of Maternal Medicine, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan.
2. Global Health Nursing, Graduate School of Nursing Science, St. Luke's International University, Tokyo, Japan.
3. Department of Clinical Studies, Radiation Effects Research Foundation, Nagasaki, Japan.
4. Department of Internal Medicine, Ito Hospital, Tokyo, Japan.
5. Department of Endocrinology, Metabolism and Nephrology, NHO Tokyo Medical Center, Tokyo, Japan.
6. Health Services Center, National Graduate Institute for Policy Studies, Tokyo, Japan.
7. Tajiri Thyroid Clinic, Kumamoto, Japan.
8. Laboratory for Clinical Investigation, Osaka University Hospital, Osaka, Japan.
9. Department of Internal Medicine, Showa University Northern Yokohama Hospital, Yokohama, Japan.
10. Division of Nephrology and Endocrinology, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Japan.
11. Kubota Thyroid Clinic, Nishinomiya, Japan.
12. Department of Obstetrics and Gynecology Kansai Medical University, Osaka, Japan.
13. Department of Obstetrics and Gynecology, Gunma University Graduate School of Medicine, Maebashi, Japan.
14. Department of Obstetrics and Gynecology, Ehime University Graduate School of Medicine, Toon, Japan.
15. Tokyo Foundation for Policy Research, Tokyo, Japan.