1. Department of Surgical and Biomedical Sciences, Urology and Andrology Clinic University of Perugia Perugia Italy
2. Andrology and Urogynecological Clinic Santa Maria HospitalUniversity of Perugia Perugia Italy
3. Urology UnitOspedale di Circolo di Varese Varese Italy
4. Urology Department Santa Rita Clinic Vercelli Italy
5. Andrology Centre Department of Urology Semmelweis University Budapest Hungary
6. Signal Transduction Laboratory Department of Health and Human Services NIEHS, NIH Durham NC USA
7. Department of Medicine Section of Pharmacology University of Perugia Perugia Italy