1. From the Departments of Ophthalmology & Visual Sciences, 2Anatomical Sciences & Neurobiology,
2. From the Departments of Ophthalmology & Visual Sciences, 3Robley Rex Veteran Affairs Medical Center, Louisville, Kentucky; and the
3. From the Departments of Ophthalmology & Visual Sciences,
4. Medicine, and
5. Medicine, and5Biochemistry & Molecular Biology, University of Louisville School of Medicine, Louisville, Kentucky; the
6. Einhorn Clinical Research Center, New York Eye and Ear Infirmary, New York, New York.