1 From the Cerebral Function Unit (J.S.S.), Manchester Centre for Clinical Neurosciences, Salford Royal NHS Trust, Salford; Division of Neuroscience and Experimental Psychology, School of Biological Sciences (J.S.S.), University of Manchester, UK; University School for Advanced Studies (IUSS-Pavia) (S.F.C.); and Dementia Research Center (S.F.C.), IRCCS Mondino Foundation, Pavia, Italy. julie.snowden@manchester.ac.uk.
2 From the Cerebral Function Unit (J.S.S.), Manchester Centre for Clinical Neurosciences, Salford Royal NHS Trust, Salford; Division of Neuroscience and Experimental Psychology, School of Biological Sciences (J.S.S.), University of Manchester, UK; University School for Advanced Studies (IUSS-Pavia) (S.F.C.); and Dementia Research Center (S.F.C.), IRCCS Mondino Foundation, Pavia, Italy.