1. Department of Urology, University of Florence, Careggi Hospital, Viale Gramsci 7, 50121 Florence, Italy
2. Department of Experimental and Clinical Biomedical Sciences, Section of Clinical Pathophysiology, University of Florence, Italy
3. Radiotherapy, University Hospital Careggi, University of Florence, Italy
4. Department of Urology, Sant’Andrea Hospital, University “La Sapienza”, Rome, Italy
5. Department of Urology, University Hospital of Larissa, Larissa, Greece