1. Sanaria Inc., Rockville, Maryland;
2. Marathon Oil, Malabo Dos, Bioko Norte, Equatorial Guinea;
3. KEMRI Wellcome Trust Research Programme, Kilifi, Kenya;
4. Ifakara Health Institute, Bagamoyo, Tanzania;
5. Medical Care Development International, Silver Spring, Maryland;
6. Ministry of Health and Social Welfare, Government of Equatorial Guinea, Malabo, Equatorial Guinea;
7. University of Basel, Basel, Switzerland;
8. Swiss Tropical and Public Health Institute, Basel, Switzerland;
9. La Paz Hospital Medical Center, Sipopo, Equatorial Guinea;
10. Noble Energy, Malabo Dos, Equatorial Guinea;
11. Ministry of Mines and Hydrocarbons, Government of Equatorial Guinea, Malabo Dos, Equatorial Guinea