1. From the Comprehensive Stroke Center (A.V.A., G.T., M.R., A.W.A.), University of Alabama at Birmingham Hospital, Birmingham, Ala; the Department of Neurology (G.T., K.V.), Democritus University of Thrace School of Medicine, Alexandroupolis, Greece; the Department of Neurology (M.R., C.A.M.), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Barcelona, Spain; and the 2nd Department of Neurology (E.S.), University of Athens School of Medicine, Attikon Hospital, Athens, Greece.