1. From the Department of Clinical Neurosciences (I.D., M.D.H., S.B.C., A.M.D.), Calgary Stroke Program, University of Calgary, Alberta, Canada; Department of Neuroradiology (I.D., O.W., R.v.K.), University of Technology Dresden, Dresden, Germany; Departments of Community Health Sciences and Medicine (M.D.H.), University of Calgary, Alberta, Canada; and Institute for Clinical Research and Health Policy Studies (D.M.K.), Department of Medicine, Tufts-New England Medical Center, Tufts University School...