1. Sightsavers, Nigeria Country Office , Kaduna , Nigeria
2. Department of Ophthalmology, University of Jos , Jos , Nigeria
3. Department of Public Health, Federal Ministry of Health , Abuja , Nigeria
4. Health and Development Support Programme , Jos , Nigeria
5. Mission to Save the Helpless , Jos , Nigeria
6. Ophthalmology Department, Usmanu Danfodiyo University , Sokoto , Nigeria
7. Helen Keller International , Abuja , Nigeria
8. CBM International , Abuja Nigeria
9. Task Force for Global Health , Decatur, GA , USA
10. Sightsavers , Haywards Heath , UK
11. World Health Organization Regional Office for Africa , Brazzaville , Congo
12. Global Neglected Tropical Diseases Programme, World Health Organization , Geneva , Switzerland
13. Clinical Research Department, London School of Hygiene and Tropical Medicine , London , UK
14. Kilimanjaro Centre for Community Ophthalmology, Division of Ophthalmology, University of Cape Town , Cape Town , South Africa