[1] Univ Messina, Dept Med & Pharmacol, Endocrinol Sect, Messina, Italy
[2] Univ Milan, Osped Maggiore, IRCCS, Inst Endocrine Sci, Milan, Italy
[3] Osped San Giuseppe Fatebenefratelli, AFaR, Endocrinol Unit, Milan, Italy
[4] Univ Milan, Ist Policlin San Donato, Dept Med & Surg Sci, Endocrinol Unit, Milan, Italy