1. Department of Medicine (D.d.B., V.C., G.T.), Anatomic Pathology Unit, Ospedale Bellaria, University of Bologna, 40139 Bologna, Italy
2. Department of Pharmacology and Biotechnology (V.C., M.V., A.P.), University of Bologna, 40100 Bologna, Italy
3. Anatomic Pathology Unit (G.P.C.), 40133 Bologna, Italy
4. Endocrinology Unit (N.C.), Ospedale Maggiore, 40133 Bologna, Italy
5. Molecular Biology Laboratory (G.G., V.S., A.C.), 42123 Reggio Emilia, Italy
6. Anatomic Pathology Unit (M.R.), Istituto di Ricovero e Cura a Carattere Scientifico-Arcispedale Santa Maria Nuova, 42123 Reggio Emilia, Italy