1. Academic Unit of Obstetrics and Gynecology, IRCCS Ospedale Policlinico San Martino , Genoa, Italy
2. Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child, Health (Dinogmi), University of Genoa , Italy
3. Unit of Obstetrics and Gynecology, IRCCS Ospedale Policlinico San Martino , Genoa, Italy
4. LILT - Lega Italiana per la Lotta contro i Tumori, Rome, Italy