1Unit of Anatomic Pathology, Faculty of Medicine, Avda. Menendez-Pidal S/N, 14004 , Cordoba, Spain
2Department of Urology, University of Padova Medical School, Padova, Italy
3Clinica Urologica, Universitá di Palermo, Palermo, Italy
4Institute of Pathological Anatomy, Polytechnic University of the Marche Region (Ancona), Ancona, Italy