1. Medical Care Development International, Bioko Island Malaria Control Project, Malabo, Equatorial Guinea
2. Department of Global and Community Health, George Mason University
3. Department of Entomology, Texas A&M University
4. London School of Hygiene and Tropical Medicine, London, UK
5. School of Pathology, Faculty of Health Sciences, University of Witwatersrand, South Africa
6. Medical Care Development International, Silver Spring, MD
7. Marathon EG Production Limited, Bioko Island, Equatorial Guinea