About the Authors

Derek Kyte

Affiliation Primary Care and Clinical Sciences, University of Birmingham, Birmingham, United Kingdom

Jonathan Ives

Affiliation Medicine, Ethics, Society and History, University of Birmingham, Birmingham, United Kingdom

Heather Draper

Affiliation Medicine, Ethics, Society and History, University of Birmingham, Birmingham, United Kingdom

Thomas Keeley

Affiliations Primary Care and Clinical Sciences, University of Birmingham, Birmingham, United Kingdom, MRC Midland Hub for Trials Methodology Research, University of Birmingham, Birmingham, United Kingdom

Melanie Calvert

m.calvert@bham.ac.uk

Affiliations Primary Care and Clinical Sciences, University of Birmingham, Birmingham, United Kingdom, MRC Midland Hub for Trials Methodology Research, University of Birmingham, Birmingham, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DK JI HD MC. Performed the experiments: DK TK. Analyzed the data: DK JI HD MC. Wrote the manuscript: DK. Critiqued subsequent drafts each adding important intellectual content JI HD TK MC.