1. Université Paris Descartes, Assistance Publique—Hôpitaux de Paris (AP-HP), Hôpital Universitaire Paris Centre (HUPC) , Paris, France
2. Faculté de Médecine, Sorbonne Paris Cité , Paris, France
3. Department of Gynecology and Obstetrics II and Reproductive Medicine (Professor Chapron), Centre Hospitalier Universitaire (CHU) Cochin , Paris, France
4. Department of Development, Reproduction and Cancer, Institut Cochin, INSERM U1016 (Professor Batteux), Université Paris Descartes, Sorbonne Paris Cité , Paris, France
5. Centre for Reproductive Medicine, Universitair Ziekenhuis Brussel , Brussels, Belgium
6. Department of Obstetrics and Gynaecology, University of Zagreb School of Medicine , Zagreb, Croatia
7. 9.Baby—Family and Fertility Center , Bologna, Italy
8. CARE Fertility Group , Nottingham, UK
9. Fertility Clinic, Rigshospitalet, Copenhagen University Hospital , Copenhagen, Denmark
10. Instituto Valenciano de Infertilidad (IVI-RMA) , Madrid, Spain
11. Department of Obstetrics and Gynecology, Rey Juan Carlos University , Madrid, Spain