1. From Comprehensive Stroke Center (M.R., L.C., G.T., D.E.P., L.Z., Y.Z., A.M.A., A.R., A.V.A.), Endovascular Neurosurgery (M.R.H.), Interventional Radiology (E.U.), Interventional Neuro-radiology (J.H.), University of Alabama Hospital, Birmingham, Ala; Department of Neurology (G.T.), Democritus University of Thrace, Alexandroupolis, Greece; Stroke Unit (M.R.), Neurology Department, Vall d′Hebron Hospital, Barcelona, Spain.