| Institution: | 1. Department of Obstetrics and Gynecology, University Hospital rechts der Isar, Technical University of Munich, Munich, Germany;2. Department of Obstetrics and Gynecology, Division of Prenatal Medicine, University Hospital UKGM, Justus-Liebig University, Giessen, Germany;3. Center for Pediatrics and Adolescent Medicine, Pediatric Nephrology, University Hospital UKGM, Philipps-University, Marburg, Germany;4. Pränatal plus, Praxis für Pränatale Medizin und Genetik, Köln, Germany;5. Statistical Consulting Service Giessen, Giessen, Germany |
