About the Authors
London School of Hygiene & Tropical Medicine, London, United Kingdom
Medical Research Council Laboratories, Fajara, The Gambia
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MJB MJH NF DCWM RLB. Performed the experiments: AA MJB MJH NF. Analyzed the data: AA MJB MJH SDP RLB. Contributed reagents/materials/analysis tools: AA MJH NF. Wrote the paper: AA MJB MJH SDP DCWM RLB.