1. Department of Medicine-DIMED (M.K., B.C., L.L., F.G., G.P.R.), 35126 Padua, Italy
2. Department of Medical Cell Biology (J.S., S.B., R.W.), University of Regensburg, 93053 Regensburg, Germany
3. Max Delbrück Center for Molecular Medicine (V.F., M.B.), 13092 Berlin, Germany
4. Department of Internal Medicine 4, and Department of Biomedical Sciences (G.Z.), University of Padua, 35126 Padua, Italy
5. Division of Endocrinology (C.G.-S.), G. V. (Sonny) Montgomery Veterans Affairs Medical Center and Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi 39216