About the Authors

James M. Young

Current address: The University of Manchester, Manchester, United Kingdom

Affiliation Bacterial Diseases Programme, Medical Research Council Laboratories, Banjul, The Gambia

Ifedayo M. O. Adetifa

Affiliation Bacterial Diseases Programme, Medical Research Council Laboratories, Banjul, The Gambia

Martin O. C. Ota

Affiliation Bacterial Diseases Programme, Medical Research Council Laboratories, Banjul, The Gambia

Jayne S. Sutherland

jsutherland@mrc.gm

Affiliation Bacterial Diseases Programme, Medical Research Council Laboratories, Banjul, The Gambia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JS. Performed the experiments: JY. Analyzed the data: JY JS. Wrote the paper: JS. Recruited all subjects with epidemiological data: IMA. Intellectual input for design of experiments and manuscript preparation: MOO.