| Affiliation: | 1. Department of Obstetrics and Gynecology, Faculty of Medicine, Saitama Medical University, Saitama, Japan;2. Community Health Science Center, Saitama Medical University, Saitama, Japan;3. Department of Obstetrics and Gynecology, University of Tokushima Graduate School, Tokushima, Japan;4. Division of Reproductive Medicine, Department of Perinatal and Maternal Care, National Center for Child Health and Development, Tokyo, Japan;5. PAMF Fertility Physicians of Northern California, San Francisco, California |
