| Institution: | 1. Division of Neuroradiology, University of Virginia, Charlottesville, Virginia;2. Department of Radiology, Weill Cornell Medical College, NewYork Presbyterian Hospital, New York, New York;3. Stanford Stroke Center, Stanford University, Stanford, California;4. Division of Neuroradiology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York;5. Mallinckrodt Institute of Radiology, St Louis, Missouri;6. Stroke and Cerebrovascular Center, Washington University School of Medicine, St Louis, Missouri;g San Francisco General Hospital and San Francisco VA Medical Center, University of California, San Francisco, San Francisco, California;h Division of Neuroradiology, Yale University School of Medicine, New Haven, Connecticut;i Georgetown University Stroke Center, Georgetown University Medical Center, Washington, District of Columbia;j Department of Radiology, Division of Neuroradiology (P.W.S.), Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts;k University of California, Los Angeles, Department of Neurology, Stroke Center, Los Angeles, California;l Division of Neuroradiology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin;m Division of Neuroradiology, Case Western Reserve University and University Hospitals, Cleveland, Ohio;n Division of Neuroradiology, Stanford University, Stanford, California;o Department of Radiology, Emory University School of Medicine, Atlanta, Georgia |
