1 Ocular Inflammatory Disease Center, UCLA Stein Eye Institute, David Geffen School of Medicine, University of California, Los Angeles.
2 Department of Ophthalmology, David Geffen School of Medicine, University of California, Los Angeles.
3 Center for Global and Immigrant Health, Department of Epidemiology, UCLA Jonathan and Karin Fielding School of Public Health, University of California, Los Angeles.
4 The University of California, Los Angeles-Democratic Republic of Congo Health Research and Training Program, Kinshasa, Democratic Republic of Congo.