1. Geriatric Unit, University of Milan, Fondazione Cá Granda, IRCCS Ospedale Maggiore Policlinico, Milan, Italy
2. Department of Medical Sciences and Community Health, University of Milan, Geriatrics, Milan, Italy
3. Neurology Unit, “Dino Ferrari” Center, University of Milan, Fondazione Cá Granda, IRCCS Ospedale Maggiore Policlinico, Milan, Italy
4. Department of Pathophysiology and Transplantation, “Dino Ferrari” Center, University of Milan, Fondazione Cá Granda, IRCCS Ospedale Maggiore Policlinico, Milan, Italy