1. Ophthalmology Department, Ministry of Health, Maputo, Mozambique
2. Independent Consultant Statistician, Mozambique
3. Task Force for Global Health, Decatur, GA, USA
4. Clinical Research Department, London School of Hygiene & Tropical Medicine, London, UK
5. RTI International, Maputo, Mozambique
6. Central Hospital Nampula, Mozambique
7. Central Hospital Quelimane, Mozambique
8. Central Hospitals Maputo, Mozambique
9. Light for the World, Addis Ababa, Ethiopia
10. RTI International, Washington, DC, USA
11. Sightsavers, Haywards Heath, UK