1. From the Section on Stroke Diagnostics and Therapeutics, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD (R.V.M., D.A.H., J.G.M., M.L., S.W., L.L.L.); Department of Neurobiology, Care Sciences and Society, Division of Neurodegeneration, The Karolinska Institute, Stockholm, Sweden (R.V.M.); Department of Radiology, University Medical Center Utrecht, Utrecht, The Netherlands (R.P.H.B.); Department of Radiology, Gelre Hospitals, Apeldoorn, The...