http://orcid.org/0000-0002-8517-8996
About the Authors
- Karen L. Hughes
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Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft
* E-mail: Karen.Hughes@liverpool.ac.uk
Affiliation MRC North West Hub for Trials Methodology Research, Department of Biostatistics, University of Liverpool, Liverpool, United Kingdom
- Jamie J. Kirkham
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Roles Conceptualization, Methodology, Supervision, Writing – review & editing
Affiliations MRC North West Hub for Trials Methodology Research, Department of Biostatistics, University of Liverpool, Liverpool, United Kingdom, Centre for Biostatistics, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
- Mike Clarke
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Roles Conceptualization, Methodology, Supervision, Writing – review & editing
Affiliation Centre for Public Health, Institute of Clinical Sciences, Queen’s University Belfast, Royal Victoria Hospital, Belfast, United Kingdom
- Paula R. Williamson
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Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing
Affiliation MRC North West Hub for Trials Methodology Research, Department of Biostatistics, University of Liverpool, Liverpool, United Kingdom
Competing Interests
I have read the journal’s policy and the authors of this manuscript have the following competing interests: MC and PRW are members of the COMET Management Group. KLH and JJK declare that no competing interests exist. This does not alter our adherence to PLOS ONE policies on sharing data and materials.