1 Department of Medicine and Surgery, Endocrine Unit, University of Insubria, ASST dei Sette Laghi, Ospedale di Circolo, Viale Borri, 57, Varese, Italy. eliana.piantanida@uninsubria.it.
2 Department of Medicine and Surgery, Endocrine Unit, University of Insubria, ASST dei Sette Laghi, Ospedale di Circolo, Viale Borri, 57, Varese, Italy.