About the Authors

Namrata Prasad

Affiliation Centre for International Health, Dunedin School of Medicine, University of Otago, PO Box 56, Dunedin, 9054, New Zealand

David R. Murdoch

Affiliation Department of Pathology, University of Otago Christchurch, 2 Riccarton Avenue, PO Box 4345, Christchurch, 8011, New Zealand

Hugh Reyburn

Affiliation Department of Disease Control, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom

John A. Crump

john.crump@otago.ac.nz

Affiliation Centre for International Health, Dunedin School of Medicine, University of Otago, PO Box 56, Dunedin, 9054, New Zealand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NP DRM HR JAC. Performed the experiments: NP DRM JAC. Analyzed the data: NP. Contributed reagents/materials/analysis tools: JAC. Wrote the paper: NP DRM HR JAC.