1. From the Division of Interventional Neuroradiology (Y.P.G.), Weill Cornell Medical College, New York Presbyterian Hospital, New York, NY; the UCLA Stroke Study Network (S.S.), UCLA Fellowship in Stroke and Cerebrovascular Disorders, UCLA Emergency Medicine Center, Los Angeles, Calif; the Division of Interventional Neuroradiology (G.R.D.), Department of Radiological Sciences, University of California Los Angeles; Neurointerventional Surgery (T.G.), Saint Luke’s Hospital, Department of Radiology,...