About the Authors
- Patricia J. Lucas
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* E-mail: patricia.lucas@bristol.ac.uk
Affiliation School for Policy Studies, University of Bristol, Bristol, United Kingdom
- Christie Cabral
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Affiliation School for Social and Community Medicine, University of Bristol, Bristol, United Kingdom
- John M. Colford Jr.
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Affiliation Division of Epidemiology, School of Public Health, University of California, Berkeley, California, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: PJL CC JMC. Analyzed the data: PL CC. Wrote the paper: PJL CC JMC.