1. From the Department of Emergency Medicine, Washington University, St. Louis (O.A., P.P., S.P.); the Departments of Neurology and Rehabilitation Medicine (J.B., I.D., S.D., M.H., P.K.), Emergency Medicine (A.P.), and Radiology (A.V.), University of Cincinnati, and the Department of Pharmacy, University of Cincinnati Medical Center (N.S.) — both in Cincinnati; the Department of Radiology, University of Virginia, Charlottesville (C.P.D.); the Clinical Institute for Research and Innovation, Memorial...