1 Department of Clinical and Experimental Medicine and Geriatric Unit, University of Pisa, Via Paradisa 2, Ospedale Cisanello, 56124, Pisa, Italy. [email protected].
2 Department of Clinical and Experimental Sciences, University of Brescia, and ASST Spedali Civili Brescia, Brescia, Italy.
3 Clinica Medica, University Milano-Bicocca, Milan, Italy.