1. From the Behavioral Neurology Section, University of Colorado School of Medicine, Aurora, Colo. (CMF, CAA); the Department of Neurology, University of Colorado School of Medicine, Aurora, Colo. (CMF, BVM, CAA); the Department of Psychiatry, University of Colorado School of Medicine, Aurora, Colo. (CMF, CAA); the Department of Emergency Medicine, University of Colorado School of Medicine, Aurora, Colo. (CAA); and the Denver Veterans Affairs Medical Center, Denver (CMF, CAA).