University of Ghana, Accra, Ghana
VA Puget Sound Health Care System, Seattle Division, Seattle, Washington, United States
University of Washington, Ninth and Jefferson Building, Seattle, Washington, United States
VA Puget Sound Health Care System, American Lake, Tacoma, Washington, United States
Kaiser Permanente Washington Health Research Institute, Seattle, Washington, United States
Harborview Medical Center, Seattle, Washington, United States
University of Washington, Seattle, Washington, United States
Minneapolis VA Health Care System, Minneapolis, Minnesota, United States
Hanger Institute for Clinical Research and Education, Houston, Texas, United States
University of Washington, Ninth and Jefferson Building, Seattle, Washington, United States
University of Washington, Seattle, Washington, United States
Kayole, Nairobi, Kenya
Harborview Medical Center, Seattle, Washington, United States
University of Washington-South Lake Union Retina Center, Seattle, Washington, United States