1. III Department of Obstetrics and Gynecology, University of Milan, Istituto di Scienze Biomediche, and Ospedale San Gerardo, Monza, Italy
2. Visiting research fellow from the Department of Obstetrics and Gynecology, University of Bari, Bari, Italy.
3. Department of Radiotherapy, University of Milan, Istituto di Scienze Biomediche, and Ospedale San Gerardo, Monza, Italy