1 From the Department of Medicine (Neurology) (J.J.C., N.C.), University of British Columbia and Vancouver Coastal Health Research Institute, Brain Research Centre, Vancouver, Canada; and Departments of Environmental Health (J.J.C., R.S., M.G.W.) and Epidemiology (M.G.W.), Harvard T.H. Chan School of Public Health, Boston, MA. [email protected].
2 From the Department of Medicine (Neurology) (J.J.C., N.C.), University of British Columbia and Vancouver Coastal Health Research Institute, Brain Research Centre, Vancouver, Canada; and Departments of Environmental Health (J.J.C., R.S., M.G.W.) and Epidemiology (M.G.W.), Harvard T.H. Chan School of Public Health, Boston, MA.