1. University of British Columbia Faculty of Medicine, Vancouver, Canada (N.L.). Vancouver Stroke Program, Division of Neurology, University of British Columbia, British Columbia, Canada (J.M.C.S., T.S.F.). Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada (J.G.A.). Department of Medicine, Université de Montréal, Montreal, Quebec, Canada (J.G.A.). Department of Anesthesiology and Perioperative Care, Vancouver General Hospital, British Columbia, Canada (A.M.F.)....