1. Division of Endocrinology, Ospedale Niguarda (R.A., R.C., P.L.), 20100 Milan, Italy;
2. Institute of Endocrine Sciences (P.E., P.B.-P., M.A.), 20100 Milan, Italy;
3. University of Milan; Unit of Endocrinology, Ospedale San Giuseppe-Fatebenefratelli, A.Fa.R., (P.E., M.A.), 20100 Milan, Italy;
4. Department of Neurological Sciences and Neurosurgery (E.M.), 20100 Milan, Italy;
5. Department of Neurosurgery-Gamma Knife, Villa Maria Cecilia Hospital (E.G., L.V.), 48010 Cotignola, Ravenna, Italy
6. Neuroradiology Unit, Ospedale Maggiore IRCCS (M.F.), 20100 Milan, Italy;