About the Authors

David Carlton Taylor-Robinson

dctr@liv.ac.uk

Affiliation Department of Public Health and Policy, Liverpool, United Kingdom

Ffion Lloyd-Williams

Affiliation Department of Public Health and Policy, Liverpool, United Kingdom

Lois Orton

Affiliation Department of Public Health and Policy, Liverpool, United Kingdom

May Moonan

Affiliation Department of Public Health and Policy, Liverpool, United Kingdom

Martin O'Flaherty

Affiliation Department of Public Health and Policy, Liverpool, United Kingdom

Simon Capewell

Affiliation Department of Public Health and Policy, Liverpool, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DTR FLW LO MM MOF SC. Performed the experiments: DTR FLW LO MM MOF SC. Analyzed the data: DTR FLW LO MM MOF SC. Contributed reagents/materials/analysis tools: DTR FLW LO MM MOF SC. Wrote the paper: DTR FLW.