About the Authors

Ka-Man Lai

Affiliation Healthy Infrastructure Research Centre, Department of Civil, Environmental and Geomatic Engineering, University College London, London, United Kingdom

Christian Bottomley

Affiliation MRC Tropical Epidemiology Group, London School of Hygiene and Tropical Medicine, London, United Kingdom

Ruth McNerney

ruth.mcnerney@lshtm.ac.uk

Affiliation Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RM KL. Performed the experiments: KL. Analyzed the data: RM KL CB. Contributed reagents/materials/analysis tools: RM KL CB. Wrote the paper: RM KL CB.