1. Departments of Obstetrics and Gynecology, Ospedale “G. Fornaroli,” Magenta, “Clinica Mangiagalli,” University of Milan, Milan, Ospedale di Circolo, Desio, Ospedale Valduce, Como and Ospedale di Cantù, Cantù and Department of Urology, University of Novara, Novara, Italy