1. From the Stanford Stroke Center, Department of Neurology and Neurological Sciences, Stanford University School of Medicine, CA (G.W.A.); Departments of Radiology and Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (M.G.); Division of Interventional Neuroradiology (R.J.) and Department of Neurology and Comprehensive Stroke Center, David Geffen School of Medicine (J.L.S.), University of California Los Angeles; Department of Neuroradiology, Hôpital Gui-de-Chauliac, Montpellier,...