1. College of Optometry; Nova Southeastern University; 3200 University Drive Ft Lauderdale Florida USA 33328
2. Innovations for Poverty Action; 101 Whitney Ave New Haven, Connecticut USA 06510
3. Marshall B Ketchum University; Southern California College of Optometry; 2575 Yorba Linda Boulevard Fullerton California USA 92831
4. Johns Hopkins Bloomberg School of Public Health; Department of Epidemiology; 615 North Wolfe Street, E6011 Baltimore Maryland USA 21205