1. Harris Access Consulting Ltd. , London E17 4PA , UK
2. African Union Development Agency , 230 15th Road, Midrand, South Africa
3. Bill & Melinda Gates Foundation , 500 5th Avenue North, Seattle, WA 98109 , USA
4. Food and Drugs Authority , 17 Nelson Mandela Ave., Accra , Ghana
5. The Wellcome Trust , Gibbs Building, 215 Euston Rd., London NW1 2BE , UK