1. Ministry of Public Health, Kabul, Afghanistan
2. HealthNet Tpo, Kabul, Afghanistan
3. Clinical Research Department, London School of Hygiene & Tropical Medicine, London, UK
4. Task Force for Global Health, Decatur, Georgia, USA
5. Sightsavers International, Haywards Heath, UK
6. Sightsavers International, Addis Ababa, Ethiopia
7. Afghanistan Country Office, World Health Organization, Kabul, Afghanistan
8. Fred Hollows Foundation
9. Department of Control of Neglected Tropical Diseases, World Health Organization, Geneva, Switzerland