1. Departments of Endocrinology and Metabolism (R.B., S.L., A.P., C.M., M.M), University of Pisa, 56124 Pisa, Italy
2. Neuroscience (F.G), University of Pisa, 56124 Pisa, Italy
3. Department of Environmental Science (A.R.T., A.M.F), University of the Tuscia, 01100 Viterbo, Italy
4. and Human Morphology and Applied Biology (N.B., C.I.), University of Pisa, 56124 Pisa, Italy
5. Department of Medical Sciences and Laboratory of Experimental Endocrinology (L.P., D.C.), University of Milan and Istituto di Ricovero e Cura a Carattere Scientifico Istituto Auxologico Italiano, 20095 Cusano Milanino, Italy
6. MIND Center, Institute of Medical Biochemistry (P.M., C.M.P.), Aarhus University, D-8000 Aarhus, Denmark