1. Departments of Endocrinology and Metabolism (R.E., B.C., C.R., V.B., G.R., E.M., L.A., A.V., A.P.), University of Pisa 56100 Pisa, Italy
2. Department of Oncology (P.F., F.B.), University of Pisa 56100 Pisa, Italy
3. Department of Surgery (P.M., P.B.), University of Pisa 56100 Pisa, Italy
4. Department of Internal Medicine, Endocrinology and Metabolism, and Biochemistry (F.P.), University of Siena, 53100 Siena, Italy
5. Department of AMBISEN Center (A.P.), High Technology Center for the Study of the Environmental Damage of the Endocrine and Nervous Systems, University of Pisa, 56124 Pisa, Italy