1. From the Office of Global Health and Health Disparities (E.L.L., N.E.B., S.C., C.A.S., R.T.B.), Division of Clinical Research, Division of Extramural Research, and Neuroimmunology Clinic (J.A.A.), Division of Intramural Research, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD.