1. Gynecology and Obstetrics Service, Hospital 12 de Octubre, 28041 Madrid, Spain
2. Gynecology and Obstetrics Service, Hospital la Paz, 28046 Madrid, Spain
3. Gynecology and Obstetrics Service, Hospital Ruber Internacional, 28034 Madrid, Spain
4. Medical Department, Atika Pharma, 35002 Las Palmas de Gran Canaria, Spain
5. Women’s Health Institute, San Carlos Clinical Hospital, dISSC, Complutense University, 28040 Madrid, Spain