1. From the National Stroke Research Institute and Department of Neurology (J.S., H.M.D., G.A.D., R.A.L.M., A.G.T.), Austin & Repatriation Medical Centre, Department of Medicine (G.A.D., R.A.L.M.), The University of Melbourne, Australia, and Department of Epidemiology and Preventive Medicine (J.J.M., A.G.T.), Monash Medical School, Alfred Hospital, Melbourne, Australia.