1. UCLA Stein Eye Institute; Ophthalmology; 200 Stein Plaza Driveway Los Angeles California USA 90095
2. Marshall B Ketchum University; Southern California College of Optometry; 2575 Yorba Linda Boulevard Fullerton California USA 92831
3. Innovations for Poverty Action; 101 Whitney Ave New Haven, Connecticut USA 06510
4. Johns Hopkins Bloomberg School of Public Health; Department of Epidemiology; 615 North Wolfe Street, E6011 Baltimore Maryland USA 21205