1. Department of Neurology, The University of Texas Southwestern Medical Center, Dallas2Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas
2. Laboratory of Molecular Medicine and Neuroscience, National Institutes of Health (NIH), Bethesda, Maryland
3. Department of Neurology, The University of Texas Southwestern Medical Center, Dallas
4. Bioinformatics Section, National Institute of Neurological and Communicative Diseases and Stroke, NIH, Bethesda, Maryland
5. Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland