1. Evidence, Research & Innovations, Sightsavers, Haywards Heath, UK
2. Sightsavers Mozambique, Nampula, Mozambique
3. Hospital Central De Nampula, Nampula, Mozambique
4. Department of Ophthalmology, University of Nairobi, Nairobi, Kenya
5. Sightsavers, Nigeria Country Office, Abuja, Nigeria