| Institution: | 1. Department of Biostatistics, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany;2. Center of Prenatal Diagnosis and Human Genetics, Munich, Germany;3. Department of Obstetrics and Gynecology, University of Bonn, Bonn, Germany;4. Department of Obstetrics and Gynecology, University of Hannover, Hannover, Germany;5. Department of Obstetrics and Gynecology, University of Münster, Münster, Germany;6. Department of Obstetrics and Gynecology, Virchow University, Berlin, Germany;7. Center of Prenatal Diagnosis and Human Genetics, Berlin, Germany;8. Department of Obstetrics and Gynecology, Ludwig-Maximilians-University, Munich, Germany;9. Department of Obstetrics and Gynecology, Charite University, Berlin, Germany;10. Department of Obstetrics and Gynecology, Friedrich-Alexander University, Erlangen, Germany;11. Department of Obstetrics and Gynecology, University of Regensburg, Germany;12. Department of Obstetrics and Gynecology, Schwäbisch-Hall, Germany;13. Center of Prenatal Diagnosis and Human Genetics, Düsseldorf, Germany |
