1. IVI-RMS Valencia, Valencia, Spain
2. Department of Reproductive Medicine and Gynecology, University Medical Center Utrecht, The Netherlands
3. Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital Schleswig-Holstein, Lübeck, Germany
4. Department of Reproductive Medicine & Fertility Preservation, Hopital Antoine Béclère, Clamart, France
5. The Fertility Clinic, Skive Regional Hospital, Faculty of Health, Aarhus University, Skive, Denmark
6. Unit for Human Reproduction, 1st Dept of ObGyn, Medical School, Aristotle University, Thessaloniki, Greece
7. INVICTA Fertility and Reproductive Centre, Department of Gynaecological Endocrinology, Medical University of Warsaw, Poland
8. Department of Obstetrics and Gynaecology, University of Modena Reggio Emilia and Clinica Eugin, Modena, Italy
9. Eugonia, Athens, Greece
10. European Society of Human Reproduction and Embryology, Belgium
11. Department of Obstetrics, Gynaecology and Reproduction, University Paris-Est Créteil, Centre Hospitalier Intercommunal, Créteil, France
12. University Medical Center Amsterdam, Amsterdam, The Netherlands
13. Dexeus University Hospital, Barcelona, Spain
14. Department of Women and Children’s Health, King’s College London, UK
15. Hospital “Dr. Shterev”, Sofia, Bulgaria
16. Kanta-Häme Central Hospital, Hämeenlinna, Mehiläinen Clinics, Helsinki, Finland
17. Department of Obstetrics and Gynaecology, Semmelweis University Faculty of Medicine, Budapest, Hungary