1. Department of Obstetrics and Gynecology, Sant'Anna Hospital, University of Torino, Turin, Italy.
2. Department of Surgical Sciences, Institute of Obstetrics and Gynecology, University of Cagliari, Cagliari, Italy.
3. Department of Pathology and Cytology of Female Cancer, Childhood Cancer, and Rare Cancers, AOU Città della Salute e della Scienza, Turin, Italy.