About the Authors

Dirk H. Mueller

dirk.mueller@lshtm.ac.uk

Affiliation Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, United Kingdom

Douglas Lungu

Affiliation Daeyang Luke Hospital, Lilongwe, Malawi

Arnab Acharya

Affiliation Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, United Kingdom

Natasha Palmer

Affiliation Department of Global Health and Development, 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: DHM DKL NP AKA. Performed the experiments: DKL DHM AKA NP. Analyzed the data: DHM DKL. Wrote the paper: DHM NP AKA. Supervision of fieldwork: DKL DHM.