| Institution: | 1. Center of Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan;2. Department of Obstetrics and Gynecology, Kyushu University Hospital, Kyushu University, Fukuoka, Japan;3. Department of Fetal-Maternal Medicine, Nagara Medical Center, Gifu, Japan;4. Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Japan;5. Department of Pediatric Surgery, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Japan |
