1. Endocrinology Unit (F.F., A.G., I.B., A.R., V.D.D.L., G.D.D., M.M., O.P., G.C., L.Z., U.P., R.P.), 40138 Bologna, Italy
2. Department of Medical and Surgical Sciences and Center for Applied Biomedical Sciences (F.F., A.G., I.B., A.R., V.D.D.L., G.D.D., M.M., O.P., G.C., L.Z., A.P., A.M.M.-L., U.P., R.P.), St Orsola-Malpighi Hospital, University Alma Mater Studiorum, 40138 Bologna, Italy