1. From the Departments of Clinical Neurological Sciences (V.C., D.D.K., S.F., M.B., L.A.S.) and Pathology and Laboratory Medicine (L.A.S.), London Health Sciences Centre, Departments of Anatomy and Cell Biology (Q.Z.) and Epidemiology and Biostatistics (L.A.S.), Schulich School of Medicine, and Dentistry, Stroke, Dementia, and Heart Disease Lab (L.A.S.) and Robarts Research Institute (L.A.S.), Western University, London, Canada.