1 Section of Diagnostic Imaging, Department of Surgical and Biomedical Sciences, S. Maria della Misericordia Hospital, Perugia University, S. Andrea delle Fratte, 06134 Perugia, Italy.
2 Division of Urology, Portogruaro Hospital, Venice, Italy †.
3 Division of Urology, New Sassuolo Hospital, Sassuolo, Modena, Italy ‡.
4 Department of Experimental Medicine, Magrassi Lanzara, Luigi Vanvitelli, Second University of Naples, Naples, Italy §.