1From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy; the National Research Council of Italy (CNR-CSFET) (A.D.C.), Italian Longitudinal Study on Aging, Florence, Italy; Health Area 10 (S.S., M.C.B., G.L., A.G.), Florence, Italy; and the Department of Public Health Sciences (C.D.A.W.), The Guy’s, Kings College, and St Thomas’ Hospital Medical and Dental School, Guy’s Campus, London, England.
2Health Area 10 (S.S., M.C.B., G.L., A.G.), Florence, Italy
3Maria Lamassa From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
4the National Research Council of Italy (CNR-CSFET) (A.D.C.), Italian Longitudinal Study on Aging, Florence, Italy
5Antonio Di Carlo From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
6Giovanni Pracucci From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
7Anna Maria Basile From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
8Gloria Trefoloni From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
9Stefano Spolveri From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
10Maria Cristina Baruffi From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
11Giancarlo Landini From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
12Augusto Ghetti From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
13Charles D. A. Wolfe From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy
14Domenico Inzitari From the Department of Neurological and Psychiatric Sciences (M.L., G.P., A.M.B., G.T., P.V., D.I.), University of Florence, Florence, Italy