1. From the Doheny Retina Institute and
2. the Arnold and Mabel Beckman Macular Research Center, Doheny Eye Institute, Los Angeles, California;
3. the Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee;
4. the Arnold and Mabel Beckman Macular Research Center, Doheny Eye Institute, Los Angeles, California; the Departments of 4Pathology and 5Ophthalmology, Keck School of Medicine of the University of Southern California, Los Angeles, California; and
5. From the Doheny Retina Institute and the 2Arnold and Mabel Beckman Macular Research Center, Doheny Eye Institute, Los Angeles, California; 5Ophthalmology, Keck School of Medicine of the University of Southern California, Los Angeles, California; and the 6