About the Authors

Angus G. Jones

angus.jones@exeter.ac.uk

Affiliation NIHR Exeter Clinical Research Facility, University of Exeter Medical School, Exeter, United Kingdom

Beverley M. Shields

Affiliation NIHR Exeter Clinical Research Facility, University of Exeter Medical School, Exeter, United Kingdom

Christopher J. Hyde

Affiliation Public Health and Epidemiology, University of Exeter Medical School, Exeter, United Kingdom

William E. Henley

Affiliation Institute of Health Research, University of Exeter Medical School, Exeter, United Kingdom

Andrew T. Hattersley

Affiliation NIHR Exeter Clinical Research Facility, University of Exeter Medical School, Exeter, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: AGJ. Wrote the paper: AGJ. Conceived the original idea: AGJ ATH. Provided helpful discussion, assisted analysis and interpretation and reviewed/edited the manuscript: BMS CJH WEH ATH.