1. Departments of Clinical Neurological Sciences, Epidemiology and Biostatistics, and Anatomy and Cell Biology, Schulich School of Medicine and Dentistry (L.A.S.), Western University, London, ON, Canada.
2. Heart & Brain Laboratory (L.A.S.), Western University, London, ON, Canada.
3. Robarts Research Institute and Lawson Health Research Institute, London, ON, Canada (L.A.S.).
4. Department of Neurology & Neurosurgery, Emory University School of Medicine, Atlanta, GA (C.S.W.A.).
5. Department of Neurology, Vagelos College of Physicians and Surgeons (M.S.V.E.), Columbia University, New York.
6. Department of Epidemiology, Mailman School of Public Health (M.S.V.E.), Columbia University, New York.
7. Clinical and Translational Neuroscience Unit, Feil Family Brain and Mind Research Institute and Department of Neurology, Weill Cornell Medicine, New York (H.K.).
8. Department of Neurology, University of California, Los Angeles (J.L.S.).