1. From the Departments of Ophthalmology and
2. the Laboratory of Experimental Immunology, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute at Frederick, Frederick, Maryland; and
3. The Pangere Center for Hereditary Retinal Diseases, Chicago Lighthouse for the Blind and Visually Impaired, Chicago, Illinois.
4. From the Departments of Ophthalmology and 4Pathology and Cell Biology, Columbia University, New York, New York;