1. Department of Gynecology and Oncology Jagiellonian University Krakow Poland
2. Ludwin & Ludwin Gynecology Private Medical Center Krakow Poland
3. SEMEAR Fertilidade Reproductive Medicine, Ribeirão Preto Brazil
4. Department of Obstetrics and Gynaecology, Faculty of Medicine of Ribeirão Preto University of São Paulo (DGO‐FRMP‐USP), Ribeirão Preto Brazil
5. San Juan University Hospital/Miguel Hernández University Alicante Spain
6. Department of Obstetrics and Gynecology University of Navarra Pamplona Spain
7. Harvard Medical School Boston MA USA
8. Acute Gynaecology, Early Pregnancy and Advanced Endosurgery Unit, Nepean Hospital, Sydney Medical School Nepean University of Sydney Sydney NSW Australia
9. Eunice Kennedy Shriver National Institute of Child Health and Human Development Bethesda MD USA
10. Carl von Ossietzky University Oldenburg Oldenburg Germany
11. Department of Obstetrics & Gynecology Augusta University Augusta GA USA
12. Department of Gynaecology and Reproductive Medicine University Medical Center Utrecht Utrecht The Netherlands
13. Department of Gynaecology University Hospital Ghent Ghent Belgium
14. Department of Obstetrics and Gynecology University of Cagliari Cagliari Italy
15. Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology Duke University Medical Center Durham NC USA
16. Department of Radiology Beth Israel Deaconess Medical Center Boston MA USA
17. Department of Obstetrics & Gynecology Wright State University, Boonshoft School of Medicine Dayton OH USA
18. Instituto Valenciano de Infertilidad Valencia Spain
19. University of Florence Florence Italy
20. University College London Hospital London UK