About the Authors

Peter Elwood

ElwoodPC@cardiff.ac.uk

Affiliation Cochrane Institute of Primary Care and Public Health, Cardiff University, Cardiff, United Kingdom

Julieta Galante

Affiliation Cochrane Institute of Primary Care and Public Health, Cardiff University, Cardiff, United Kingdom

Janet Pickering

Affiliation Cochrane Institute of Primary Care and Public Health, Cardiff University, Cardiff, United Kingdom

Stephen Palmer

Affiliation Cochrane Institute of Primary Care and Public Health, Cardiff University, Cardiff, United Kingdom

Antony Bayer

Affiliation Cochrane Institute of Primary Care and Public Health, Cardiff University, Cardiff, United Kingdom

Yoav Ben-Shlomo

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

Marcus Longley

Affiliation Welsh Institute for Health and Social Care, University of South Wales, Pontypridd, United Kingdom

John Gallacher

Affiliation Cochrane Institute of Primary Care and Public Health, Cardiff University, Cardiff, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PE J. Galante AB YB-S. Performed the experiments: PE J. Galante AB. Analyzed the data: PE JP J. Gallacher. Contributed reagents/materials/analysis tools: J. Galante SP YB-S ML J. Gallacher. Wrote the paper: PE J. Galante JP ML J. Gallacher.