1. Gynecological Endocrinology and Reproductive Medicine, Department of Gynecology and Obstetrics, Ludwig-Maximilians-University Hospital, Maistr. 11, 80337 Munich, Germany
2. Prenatal Diagnosis, Department of Obstetrics and Gynecology, Ludwig-Maximilians-University Hospital, Maistr. 11, 80337 Munich, Germany; now: Prenatal Diagnosis Munich, Tegernseer Landstr. 64, 81541 Munich, Germany
3. Institute for Clinical Radiology, Ludwig-Maximilians-University Hospital, Munich, Germany
4. Department of Pediatric Neurology Ludwig-Maximilians-University Hospital, Munich, Germany