1. Department of Preventive and Social Medicine, University of Ibadan, Ibadan, Nigeria
2. Institute of African Studies, University of Ghana, Legon, Ghana
3. Department of Parasitology and Entomology, Nnamdi Azikiwe University, Anambra State, Nigeria
4. Eye Care Secretariat, Ministry of Health, Accra, Ghana
5. Department of Community Medicine, Nnamdi Azikiwe University, Anambra State, Nigeria
6. Faculty of Medicine, Makerere University, Kampala, Uganda
7. African Programme for Onchocerciasis Control, Ougadougou, Burkina Faso
8. UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases, Geneva, Switzerland