1. Department of Clinical Research, London School of Hygiene and Tropical Medicine, London, UK
2. MRC International Statistics and Epidemiology Group, London School of Hygiene and Tropical Medicine, London, UK
3. Department of Diagnostic Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
4. Zambart, Lusaka, Zambia
5. Department of Obstetrics and Gynecology, Livingstone Central Hospital, Livingstone, Zambia
6. Department of Infectious Diseases, Oslo University Hospital, Oslo, Norway
7. University of KwaZulu-Natal, Durban, South Africa
8. Department of Virology, Parasitology, and Immunology, Ghent University, Merelbeke, Belgium
9. Department of Parasitology, Leiden University Medical Center, Leiden, the Netherlands
10. Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, the Netherlands