About the Authors

Kate Birnie

Kate.Birnie@Bristol.ac.uk

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

Yoav Ben-Shlomo

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

Jeff M. P. Holly

Affiliation School of Clinical Sciences, University of Bristol, Bristol, United Kingdom

David Gunnell

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

Shah Ebrahim

Affiliation London School of Hygiene & Tropical Medicine, London, United Kingdom

Antony Bayer

Affiliation School of Medicine, Cardiff University, Cardiff, United Kingdom

John Gallacher

Affiliation School of Medicine, Cardiff University, Cardiff, United Kingdom

Richard M. Martin

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: RM YB-S DG JH JG AB SE. Performed the experiments: RM YB-S DG JH JG AB. Analyzed the data: KB. Contributed reagents/materials/analysis tools: JH. Wrote the paper: KB.