1. Jules Stein Eye Institute, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
2. Department of Health and Human Services, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangular Park, North Carolina, United States
3. Retina Foundation of the Southwest, Dallas, Texas, United States
4. Center for Advanced Vision Science, Department of Ophthalmology, Department of Pathology, Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, Virginia, United States