1. From the National Stroke Research Institute (S.S., A.G.T., R.X.Y., G.A.D.) and Neurology Department (S.S., G.A.D.), Austin & Repatriation Medical Centre, West Heidelberg; Department of Epidemiology and Preventive Medicine, Monash Medical School, Alfred Hospital, Prahran (A.G.T., J.J.M.); Department of Medicine, University of Melbourne, Melbourne (G.A.D.); and Neurology Department, Royal Melbourne Hospital, Parkville (S.M.D.), Australia.