1. From the Institute of Pathology, Case Western Reserve University, Cleveland, Ohio; the
2. From the Institute of Pathology, Case Western Reserve University, Cleveland, Ohio; the3Department of Pathology, Sichuan University, Chengdu, China; and the
3. Department of Pathology, Sichuan University, Chengdu, China; and the
4. Department of Immunology, National Eye Institute, National Institutes of Health, Bethesda, Maryland.