1. Scientific Endometriosis Foundation (Stiftung Endometriose‐Forschung/ SEF Westerstede Germany
2. Endometriosis Clinic Dres. Keckstein Villach Austria
3. University of Ulm Germany
4. Department of Obstetrics and Gynaecology University College Hospital London UK
5. Department of Obstetrics and Gynecology Endometriosis Center Martin Luther Hospital Berlin Germany
6. Praxisklinik am Rosengarten Mannheim Germany
7. Department of Obstetrics and Gynecology Saarland University Medical School Homburg Germany
8. Department for Gynecology, Obstetrics and Gynecological Endocrinology Kepler University Hospital Linz Austria
9. Department of Obstetrics and Gynecology Bethesda Hospital Duisburg Germany
10. Department of Obstetrics and Gynecology Villach General Hospital Villach Austria
11. Department of Obstetrics and Gynecology Universita Cattolica del Sacro Cuore Rome Italy
12. Endoscopica Malzoni ‐ Center for Advanced Endoscopic Gynecological Surgery Avellino Italy
13. Department of Obstetrics and Gynecology, Inselspital University of Bern Bern Switzerland
14. Endometriosis Center Clinique Tivoli‐Ducos Bordeaux France
15. Acute Gynaecology Early Pregnancy and Advanced Endoscopy Surgery Unit Sydney Medical School Nepean University of Sydney Nepean Hospital Sydney Australia
16. Department of Gynecology and Obstetrics Aarhus University Hospital Aarhus Denmark
17. Department of Gynecology Leiden University Medical Center Leiden The Netherlands
18. Department of Obstetrics and Gynecology Faculty of Medicine Semmelweis University Budapest Hungary
19. Department of Obstetrics and Gynecology Regina Maria Clinic Timisoara Romania
20. Department of Gynaecology Center for Endometriosis Hospital St. John of God Vienna Austria