1 Endocrinology, Department of Translational Medicine, Università del Piemonte Orientale, Via Solaroli 17, 28100, Novara, Italy. flavia.prodam@med.uniupo.it.
2 Department of Health Sciences, Università del Piemonte Orientale, Novara, Italy. flavia.prodam@med.uniupo.it.
3 Department of Medicine, DIMED, Clinica Medica 3,Padua University , Via VIII Febbraio, 35122, Padua, Italy. pietro.maffei@unipd.it.