1. Mission To Save The Helpless (MITOSATH), Jos, Nigeria
2. Sightsavers, Nigeria Country Office, Kaduna, Nigeria
3. Federal Ministry of Health, Abuja, Nigeria
4. Department of Animal and Environmental Biology, Federal University Oye-Ekiti, Ekiti, Nigeria
5. Ophthalmology Department, Usmanu Danfodiyo University, Sokoto, Nigeria
6. International Trachoma Initiative, Task Force for Global Health, Decatur, Georgia, USA
7. Taraba State Ministry of Health, Jalingo, Nigeria
8. Sightsavers, Haywards Heath, UK
9. Department of Control of Neglected Tropical Diseases, World Health Organization, Geneva, Switzerland
10. London Centre for Neglected Tropical Disease Research, London, UK
11. Clinical Research Department, London School of Hygiene & Tropical Medicine, London, UK
12. Department of Ophthalmology, College of Health Sciences, University of Jos, Jos, Nigeria