1. Department of Pediatrics, Perinatal and Maternal Medicine (Ibaraki), Graduate School, Tokyo Medical and Dental University, Tokyo 113-8519, Japan
2. Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan
3. Department of Obstetrics and Gynecology, The University of Tokushima Graduate School, Institute of Health Biosciences, Tokushima 770-8503, Japan
4. Department of Social Medicine, National Center for Child Health and Development, Tokyo 157-8535, Japan
5. Department of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo 157-8535, Japan
6. Department of Comprehensive Reproductive Medicine, Graduate School, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
7. Department of Obstetrics and Gynecology, Saitama Medical University, Saitama 350-0495, Japan
8. Department of Perinatal Medicine and Maternal Care, National Center for Child Health and Development
9. Umegaoka Women’s Clinic, Tokyo 154-0022, Japan