1 Department of Obstetrics, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt - Universität zu Berlin, Berlin, Germany.
2 Medicover Genetics, Berlin, Germany.
3 Prenatal Diagnosis and Women's Health, Berlin, Germany.
4 Prenatal Diagnosis and Human Genetics, Berlin, Germany.
5 Department of Neonatology, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt - Universität zu Berlin, Berlin, Germany.
6 Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.