1. From the Calgary Stroke Program, Department of Clinical Neurosciences, Hotchkiss Brain Institute (B.K.M., M.G., E.E.S.) and Department of Radiology (B.K.M., M.G., E.E.S.), University of Calgary, Calgary, Alberta, Canada; Department of Neurology (J.L.S.) and Division of Cardiology (G.C.F.), University of California, Los Angeles; Department of Neurology, Marcus Stroke and Neuroscience Center, Grady Memorial Hospital, Emory University School of Medicine, Atlanta, GA (R.N.); Department of Neurology,...