1. Institute of Pathology; Fetal pathology; Philipp University of Marburg; Universitätsklinikum Gießen und Marburg; Standort Marburg Marburg Germany
2. Clinic of Gynecology and Prenatal Medicine; Klinikum Leverkusen; Leverkusen Germany
3. Institute of Medical and Human Genetics; Charité-Universitätsmedizin Berlin; Berlin Germany
4. Institute of Medical Genetics; Medical University of Vienna; Vienna Austria
5. Berlin-Brandenburg Center for Regenerative Therapies − BCRT; Charité-Universitätsmedizin Berlin; Berlin Germany
6. Max Planck Institute for Molecular Genetics; Berlin Germany
7. Berlin Institute of Health (BIH); Berlin Germany