1. From Acute Stroke Unit (N.K.M., K.R.L.), University Department of Medicine and Therapeutics, Gardiner Institute, Western Infirmary & Faculty of Medicine, University of Glasgow, Glasgow, UK; Department of Neurology (P.L.), Cedars-Sinai Medical Center, Los Angeles, Calif; Department of Neurology (J.C.G.), University of Texas Medical School at Houston, Houston, Tex.