1. From the Division of Clinical Neurosciences, Western General Hospital, Crewe Rd, Edinburgh, UK (J.A.H., J.K., R.I.L., B.L., M.S.D., J.M.W.); and the RMH Stroke Centre (P.J.H.), Department of Neurology, Royal Melbourne Hospital, and Department of Medicine (Neuroscience), Monash University (Alfred Hospital Campus), Victoria, Australia.