1 Endocrine and Metabolic Disease Unit, Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy.
2 Endocrine Unit, Department of Medicine, Carlo Poma Hospital, Mantua, Italy.
3 Nuclear Medicine Unit, University of Brescia, Brescia, Italy.
4 Endocrine and Metabolic Disease Unit, Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123, Brescia, Italy. a.giustina@libero.it.