1. Departments of Clinical Laboratory Medicine (A.H., T.I.), Mibu, Tochigi, 321-0293, Japan
2. Kuma Hospital (S.F., H.O., T.U., C.T., K.Ku., A.M.), Kobe, Hyogo, 650-0011, Japan
3. Department of Pediatrics (S.N., K.Ki.), Kumamoto University School of Medicine, Kumamoto, 860-8556, Japan
4. Department of Pediatrics (Y.N.), Hiroshima Red Cross Hospital, Hiroshima, 730-8691, Japan
5. Department of Physics (M.O.-I.), Kitasato University, Kanagawa, 228-8555, Japan
6. Research Institute of Environmental Medicine (Y.M.), Nagoya University, Nagoya, 464-8601, Japan
7. Ohyama Clinic (Y.O.), Sagamihara, Kanagawa, 228-8555, Japan
8. School of Science, and Department of Pediatrics (N.M.), School of Medicine, Kitasato University, Kanagawa, 228-8555, Japan
9. Endocrinology and Metabolism (K.Ka.), Dokkyo University School of Medicine, Mibu, Tochigi, 321-0293, Japan
10. Department of Health Policy, National Center for Child Health and Development (S.H.), Setagaya, Tokyo, 157-8535, Japan
11. Department of Pediatrics, Graduate School of Medicine, University of Tokyo (S.K.), Bunkyo-ku, Tokyo, 113-8655, Japan
12. Takamatsu Endocrine Clinic (J.T.), Takatsuki, Osaka, 569-0804, Japan
13. Department of Pediatrics (T.T.), Hokkaido University School of Medicine, Sapporo, 060-8638, Japan