1. From the Departments of Ophthalmology and Visual Science,2Medical Microbiology and Immunology,
2. Program in Cell and Molecular Biology, and the
3. Microbiology Doctoral Training Program, University of Wisconsin-Madison, Madison, Wisconsin; and the
4. From the Departments of Ophthalmology and Visual Science,
5. Department of Medicine University of California at Los Angeles, Los Angeles, California.