1. Oromia Regional Health Bureau, Addis Ababa, Ethiopia
2. Sightsavers, Addis Ababa, Ethiopia
3. The Fred Hollows Foundation, Addis Ababa, Ethiopia
4. Research Triangle Institute, Addis Ababa, Ethiopia
5. Jimma University, Jimma, Ethiopia
6. Asfaw Wondimu Health Research and Consultancy, Addis Ababa, Ethiopia
7. Ambo Hospital, Ambo, Ethiopia
8. Adama Hospital Medical College, Adama, Ethiopia
9. Light For The World, Addis Ababa, Ethiopia
10. Federal Ministry of Health, Addis Ababa, Ethiopia
11. Department of Control of Neglected Tropical Diseases, World Health Organization, Geneva, Switzerland
12. International Trachoma Initiative, Task Force for Global Health, Decatur, Georgia, USA
13. Clinical Research Department, London School of Hygiene & Tropical Medicine, London, UK