1. Department of Urology, University-Hospital of Marche, 60126 Ancona, Italy
2. Pain Therapy Center, Division of Anesthesia and Intensive Care, University-Hospital of Marche, 60126 Ancona, Italy
3. Department of Urology, University-Hospital Renato Dulbecco, 88100 Catanzaro, Italy
4. Department of Emergency, University-Hospital Gemelli IRCSS, 00168 Roma, Italy