1. Chair of Endocrinology (G.N., V.M., C.G., S.D.V., I.B., V.T., G.L., F.M.), Chieti, Italy 66100
2. Department of Experimental Medicine and Pathology (A.C.) University “La Spienza”, Rome, Italy 00161
3. Experimental Immunology Branch (D.S.S.), Bethesda, Maryland 20892-1800
4. National Cancer Institute and Metabolic Diseases Branch (M.N., L.D.K.) National Institute of Diabetes and Digestive and Kidney Diseases National Institutes of Health, Bethesda, Maryland 20892-1800
5. Department of Medicine and Department of Oncology and Neuroscience (G.C.) University “G. D’Annunzio”, Chieti, Italy 66100