1 From the Department of Clinical Neurosciences and Hotchkiss Brain Institute (N.J.) and Department of Community Health Sciences and Institute for Public Health (N.J.), University of Calgary, Alberta, Canada; and Office of the Dean (E.T.) and Departments of Epidemiology, Neurology, and Pediatrics (E.T.), College for Public Health and Social Justice, Saint Louis University, St. Louis, MO.