About the Authors

Maria Theresa Redaniel

theresa.redaniel@bristol.ac.uk

Affiliations NIHR CLAHRC West, University of Bristol, Bristol, United Kingdom, School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Richard M. Martin

Affiliation School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Matthew J. Ridd

Affiliation School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Julia Wade

Affiliation School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Mona Jeffreys

Affiliation School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MTR RM JW MJ. Analyzed the data: MTR. Wrote the paper: MTR MJ RM MR JW.