1. Department of Gynecology, Center for Endometriosis Hospital St. John of God; Rudolfinerhaus Private Clinic and Campus Vienna Austria
2. Department of Obstetrics and Gynecology Johanna‐Etienne‐Hospital Neuss Germany
3. Department of Obstetrics and Gynecology Medius Klinik Ostfildern Ostfildern Germany
4. Department of Obstetrics and Gynecology Znojmo District Hospital Znojmo Czech Republic
5. Brussels IVF, Center for Reproductive Medicine Universitair Ziekenhuis Brussel Vrije Universiteit Brussel Brussels Belgium
6. Department of Obstetrics and Gynecology with Center for Oncological Surgery Charité – Universitätsmedizin, Berlin, corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
7. Department of Obstetrics and Department of Gynecology University of Prague Prague Czech Republic
8. Department of Obstetrics and Gynecology University Saarland Homburg Germany
9. Department of Obstetrics and Gynecology Vidiakliniken, Diakonissen Hospital Karlsruhe Karlsruhe Germany
10. Department of Obstetrics and Department of Gynecology University of Tübingen Tübingen Germany
11. Department of Obstetrics and Department of Gynecology Rhineland Clinic Dormagen Germany
12. Department of Gynecology and Obstetrics Kepler Medical University of Linz Linz Austria
13. Department of Gynecology and Obsterics Medical University Hospital Münster Münster Germany
14. Department of Gynecologic Endocrinology and Reproductive Medicine Medical University of Innsbruck Innsbruck Austria
15. Department of Obstetrics and Gynecology Martin Luther Hospital Berlin Berlin Germany
16. Department of Gynecology and Obsterics Medical University of Vienna Vienna Austria
17. Department of Gynecology and Obstetrics Pius Hospital, Universitätsmedizin Oldenburg, Carl von Ossietzky University of Oldenburg Oldenburg Germany
18. Department of Obstetrics and Gynecology Technical University Dresden Dresden Germany
19. Statistix Institute Klagenfurt Austria
20. Gynecological Practice Drs Keckstein Villach Austria
21. Department of Gynecology and Obsterics Medical University of Bern, Inselspital Bern Switzerland
22. Praxisklinik am Rosengarten Mannheim Germany