1. From the Stroke Center, the Neurological Institute (J.H.C., R.S.M., S.P., J.C., J.P.M, H.M., J.P.S.) and the Academic Interventional Neuroradiology, the Department of Radiology (J.P.S., J.H.C.), New York-Presbyterian Hospital/Columbia University Medical Center, the College of Physicians and Surgeons, Columbia University (B.T.B.), New York, NY; the Departments of Radiology, Neurosurgery, and Neurology (S.M.), SUNY Downstate Health Science Center, Brooklyn, NY; and the Department of Neurology,...