1 Department of Medicine, University of Udine, Udine, Italy. giuseppevizzielli@yahoo.it.
2 Clinic of Obstetrics and Gynecology, "Santa Maria della Misericordia" University Hospital, Azienda Sanitaria Universitaria Friuli Centrale, Udine, Italy. giuseppevizzielli@yahoo.it.
3 Gynecologic Oncology Unit, Department of Woman, Child and Public Health, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy.
4 Catholic University of Sacred Heart, Rome, Italy.