1. Clinic of Obstetrics Charité‐Universitätsmedizin Berlin Corporate Member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, and Berlin Institute of Health, Campus Virchow‐Klinikum Berlin Germany
2. Berlin Institute of Health (BIH) Berlin Germany
3. Clinic of Obstetrics Universitätsklinikum Leipzig Leipzig Germany
4. Alice Salomon Hochschule Berlin Germany
5. Division of “Experimental Obstetrics” Clinic of Obstetrics Charité—Universitätsmedizin Berlin Corporate Member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, and Berlin Institute of Health, Campus Virchow‐Klinikum Berlin Germany
6. Bielefeld School of Public Health & Centre for Statistics Bielefeld University Bielefeld Germany
7. Clinic of Gynecology Charité‐Universitätsmedizin Berlin Corporate Member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, and Berlin Institute of Health, Charité‐Universitätsmedizin Berlin, Campus Virchow‐Klinikum Berlin Germany