1. From the Stroke Unit (S.D.L.), Stroke Unit, Università di Tor Vergata, Rome, Italy; the Department of Clinical Neurological Sciences (G.S., V.H.), London Health Science Centre, University of Western Ontario, London, Ontario, Canada; the Division of Neurology (Y.N.), Siriraj Hospital, Mahidol University Bangkok, Thailand; and the Stroke Research Program (G.S.), Department of Medicine, St. Michael’s Hospital, University of Toronto, Ontario, Canada.