1 Urology Unit, AOU Policlinico Tor Vergata, Rome, Italy. mianor@virgilio.it.
2 Department of Surgical Sciences, University of Rome Tor Vergata, Rome, Italy. mianor@virgilio.it.
3 Department of Diagnostic and Interventional Radiology, Molecular Imaging and Radiotherapy, AOU Policlinico Tor Vergata, University of Rome Tor Vergata, Rome, Italy.
4 Urology Unit, AOU Policlinico Tor Vergata, Rome, Italy.