1. Division of Endocrinology (F.B., P.V.K., C.Ga., L.H., A.J.v.d.L.), Department of Internal Medicine, Erasmus University of Rotterdam, Rotterdam 3015, The Netherlands
2. Division of Endocrinology and Metabolism (F.B., C.Go., F.P., S.D., A.B., E.A., E.G.), Department of Internal Medicine, University of Turin, 10126 Turin, Italy