About the Authors

Richard M. Chunga

Richard.Chunga@btinternet.com

Affiliation Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Jeroen H. J. Ensink

Affiliation Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Marion W. Jenkins

Affiliations Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom, Department of Civil and Environmental Engineering, University of California at Davis, Davis, California, United States of America

Joe Brown

Affiliation School of Civil & Environmental Engineering, Georgia Institute of Technology, Atlanta, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RC. Performed the experiments: RC. Analyzed the data: RC. Contributed reagents/materials/analysis tools: RC. Wrote the paper: RC MWJ JHE JB.