Paul M Vespa1, John Ferro2, S Andrew Josephson2. 1. From the Department of Neurology (P.M.V.), University of California Los Angeles; Vassar Brothers Medical Center (J.F.), Poughkeepsie, NY; and Department of Neurology (S.A.J.), University of California San Francisco. pvespa@mednet.ucla.edu. 2. From the Department of Neurology (P.M.V.), University of California Los Angeles; Vassar Brothers Medical Center (J.F.), Poughkeepsie, NY; and Department of Neurology (S.A.J.), University of California San Francisco.