1. From the National Stroke Research Institute (H.M.D., A.G.T., G.A.D.) and the Neurology Department (H.M.D., R.A.L.M., G.A.D.), Austin and Repatriation Medical Centre, Heidelberg, Australia; the Department of Epidemiology and Preventive Medicine (A.G.T., J.J.M.), Monash Medical School, Alfred Hospital, Prahran, Australia; the Centre for Health Program Evaluation (C.M., R.C.), West Heidelberg, Australia; and the Department of Medicine (R.A.L.M., G.A.D.), Melbourne University, Melbourne, Australia.