From the Department of Neurology (S.B.M., A.E.M., B.B.N., C.I., H.K.), Clinical and Translational Neuroscience Unit, Feil Family Brain and Mind Research Institute (S.B.M., A.G., A.E.M., B.B.N., C.I., H.K.), and Department of Radiology (A.G.), Weill Cornell Medicine, New York, NY; Stroke Outcomes Laboratory, Department of Neurology, Baylor College of Medicine and the Michael E. DeBakey VA Medical Center, Houston, TX (P.M.); Division of Neurocritical Care and Emergency Neurology, Department of Neurology, Yale University School of Medicine, New Haven, CT (K.N.S.); Division of Brain Injury Outcomes (D.F.H.), and Division of Neurosciences Critical Care, Johns Hopkins University School of Medicine, Baltimore, MD (W.C.Z.).