[1] Univ Florence, Dept Expt & Clin Med, Florence, Italy
[2] Careggi Univ Hosp, Unit Infect & Trop Dis, Florence, Italy
[3] Careggi Univ Hosp, Dept Endocrinol, Unit Pituitary Dis & Sodium Alterat, Viale Pieraccioni 6, I-50139 Florence, Italy
[4] Univ Florence, Pituitary Dis & Sodium Alterat Unit, Dept Endocrinol, AOU Careggi, Florence, Italy