1. Department of Obstetrics and Gynecology, Araba University Hospital, Vitoria-Gasteiz, Spain;
2. Department of Gynaecology and Gynecological Oncology, AKH-Wien, Vienna, Austria;
3. Department of Obstetrics and Gynecology, Erasme Hospital, Brussels University (ULB), Brussels, Belgium;
4. Paris, France;
5. Research Centre for Reproductive Medicine, Gynecological Endocrinology and Menopause, IRCCS San Matteo Foundation, Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy;
6. Gynmed Ambulatorium, Vienna, Austria;
7. Department of Women’s and Children’s Health, Karolinska Institute, Stockholm, Sweden;
8. Department of Obstetrics and Gynecology, APHP Tenon Hospital, Pierre and Marie Curie University, Paris, France;
9. Department of Obstetrics and Gynecology, Infanta Sofía University Hospital, Madrid, Spain