From The Mind Research Network (A.R.M., J.L., M.V.M., C.G., J.P.P., R.A.Y.), Albuquerque, NM; and Departments of Neurology (A.R.M., J.P.P.), Emergency Medicine (D.D.), Psychology (C.G., R.A.Y.), and Pathology (R.R.), University of New Mexico School of Medicine, Albuquerque. (At 2010-02-23)