1. Clinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom;
2. London Centre for Neglected Tropical Disease Research, London, United Kingdom;
3. Task Force for Global Health, Decatur, Georgia;
4. Berhan Public Health and Eye Care Consultancy, Addis Adaba, Ethiopia;
5. The Fred Hollows Foundation Ethiopia, Addis Ababa, Ethiopia;
6. Sightsavers, Haywards Heath, West Sussex, United Kingdom;
7. ilimanjaro Centre for Community Ophthalmology, Division of Ophthalmology, University of Cape Town, Cape Town, South Africa;
8. Michael Dejene Public Health Consultancy Services, Addis Ababa, Ethiopia;
9. Orbis International, New York, New York;
10. Emory Eye Center, Atlanta, Georgia;
11. Blantyre Institute for Community Outreach, Blantyre, Malawi;
12. Federal Ministry of Health, Addis Ababa, Ethiopia;
13. Light for the World, Addis Ababa, Ethiopia;
14. Department of Ophthalmology, Jos University, Jos, Nigeria;
15. Sightsavers Nigeria, Kaduna, Nigeria;
16. RTI International, Washington, District of Columbia;
17. The Carter Center, Atlanta, Georgia;
18. National Trachoma Control Program, Department of Public Health, Federal Ministry of Health, Abuja, Nigeria;
19. Ministère de la Santé et de la Prévention Médicale, Dakar, Senegal;
20. Eyecare Department, Ministry of Health, Honiara, Solomon Islands;
21. Dana Center for Preventive Ophthalmology, The Wilmer Institute, Johns Hopkins School of Medicine, Baltimore, Maryland