1. Department of Urology; Careggi Hospital; University of Florence; Florence Italy
2. Assisted Reproductive Technology Centre; Careggi Hospital; University of Florence; Florence Italy
3. Sexual Medicine and Andrology Unit; Department of Experimental and Clinical Biomedical Sciences; Careggi Hospital; University of Florence; Florence Italy
4. Department of Human Pathology and Oncology; Careggi Hospital; University of Florence; Florence Italy