1. Department of General Surgery, Polytechnic University of the Marche Region, Umberto I University Hospital of Marche Region, Ancona, Italy
2. Department of Urology, Ospedali Riuniti Marche Nord, Pesaro, Italy
3. Department of Urology, Polytechnic University of the Marche Region, Umberto I University Hospital of Marche Region, Ancona, Italy
4. Department of Pathology, Polytechnic University of the Marche Region, Umberto I University Hospital of Marche Region, Ancona, Italy.