1. Department of Urology; SS Annunziata Hospital; ‘G. D'Annunzio’ University of Chieti; Chieti Italy
2. Department of Urology; ASL Abruzzo 2; Chieti Italy
3. Division of Urology; Virginia Commonwealth University; Richmond VA USA
4. Division of Urology; McGuire Veterans Affairs Hospital; Richmond VA USA
5. Department of Urology; Comprehensive Cancer Centre; Medical University of Vienna; Vienna Austria