| Institution: | 1. Department of Fetal-Maternal Medicine, Nagara Medical Center, Gifu, Japan;2. Department of Obstetrics and Gynecology, Hyogo College of Medicine, Nishinomiya, Japan;3. Department of Obstetrics, Miyagi Children's Hospital, Sendai, Japan;4. Department of Obstetrics and Gynecology, Elm Josei Clinic, Aomori, Japan;5. Department of Obstetrics and Gynecology, Hokkaido University, Sapporo, Japan;6. Department of Obstetrics and Gynecology, Aichi Children's Health and Medical Center, Aichi, Japan;7. Department of Obstetrics and Gynecology, Kurume University School of Medicine, Fukuoka, Japan;8. Department of Obstetrics and Gynecology, Yamaguchi Grand Medical Center, Yamaguchi, Japan;9. Division of Clinical Genetics, Nippon Medical School Hospital, Tokyo, Japan;10. Department of Radiology, National Center for Child Health and Development, Tokyo, Japan;11. Department of Radiology, Tokyo Metropolitan Kiyose Children's Hospital, Tokyo, Japan |
