1. Center for Biostatistic and Applied Geriatric Clinical Epidemiology, IRCCS INRCA-National Institute of Health and Science on Aging, 60124 Ancona, Italy
2. Centre for Socio-Economic Research on Aging, IRCCS INRCA-National Institute of Health and Science on Aging, 60124 Ancona, Italy
3. Scientific Direction, IRCCS INRCA-National Institute of Health and Science on Aging, 60124 Ancona, Italy