1. Department of Obstetrics and Gynecology Showa University School of Medicine Tokyo Japan
2. Division of Clinical Genetics Hokkaido University Hospital Sapporo Japan
3. Showa University Graduate School of Health Sciences Tokyo Japan
4. Department of Neuropsychiatry Hyogo Medical University Nishinomiya Japan
5. Human Health Sciences Kyoto University Graduate School of Medicine Kyoto Japan
6. Department of Obstetrics and Gynecology Nagoya City University Nagoya Japan
7. Department of Clinical Genetics Tokyo Metropolitan Children's Medical Center Fuchu Japan
8. Department of Obstetrics and Gynecology The Jikei University Minato Japan
9. Department of Obstetrics and Gynecology Hyogo Medical University Nishinomiya Japan
10. Center for Medical Genetics National Center for Child Health and Development Setagaya Japan
11. Department of Clinical Genomics Saitama Medical University Saitama Japan