[1
]
Department of "Materno Infantile e Scienze Urologiche, 'Sapienza' University of Rome,
Policlinico Umberto I Hospital, 00161 Rome, Italy.
[2
]
Department of Urology, Humanitas, 20089 Milan, Italy.
[3
]
Unit of Urology, ICOT Hospital Latina, Sapienza University, 04100 Latina, Italy.
[4
]
Department of Urology, Stanford University School of Medicine, Stanford, CA 94305,
USA.
[5
]
Department of Urology, Rush University Medical Center, Chicago, IL 60612, USA.
[6
]
Department of Urology, University of Illinois Hospital e Camp, Health Sciences System,
Chicago, IL 60612, USA.
[7
]
Urology Department, M.G. Vannini Hospital, 00177 Rome, Italy.