About the Authors

Braden O′Neill

braden.oneill@univ.ox.ac.uk

Affiliation Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom

Daniela Gonçalves

Affiliation Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom

Ignacio Ricci-Cabello

Affiliation Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom

Sue Ziebland

Affiliation Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom

Jose Valderas

Affiliation Medical School, University of Exeter, Exeter, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BO DG IRC SZ JV. Performed the experiments: BO DG IRC. Analyzed the data: BO DG IRC. Wrote the paper: BO DG IRC SZ JV.