1. Departments of Clinical Sciences (C.D., R.M., A.S., A.V., E.T., S.F.), University of Rome “La Sapienza,” 00161 Rome, Italy
2. Department of Internal Medicine (E.P., S.M., F.B.), University of Perugia, 06126 Perugia, Italy
3. Department of Experimental Medicine (E.F., A.G.), University of Rome “La Sapienza,” 00161 Rome, Italy
4. Unit of Endocrinology (R.B.), Tinchi-Pisticci Hospital, 75020 Matera, Italy
5. Department of Endocrine Surgery Unit, Regional Referral Centre (N.A.), University of Perugia, 06126 Perugia, Italy
6. Institute of Pathology (A.C.), University of Perugia, 06126 Perugia, Italy
7. Department of Neuromed Institute (A.G.), 86077 Pozzilli, Italy
8. Department of Pharmacobiological Sciences (D.R.), University of Catanzaro Magna Graecia, 88100 Catanzaro, Italy