About the Authors
- Michelle Imison
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* E-mail: michelle.imison@sydney.edu.au
Affiliation Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia
- Simon Chapman
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Affiliation Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia
Competing Interests
Michelle Imison is a board member of Oxfam Australia. Oxfam played no part in the conception, funding, conduct or writing on the study. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: MI SC. Performed the experiments: MI. Analyzed the data: MI. Contributed reagents/materials/analysis tools: SC. Wrote the paper: MI SC.