About the Authors

Michael Hallsworth

m.hallsworth11@imperial.ac.uk

Affiliations Centre for Health Policy, Imperial College London, London, United Kingdom, The Behavioural Insights Team, 33 Greycoat Street, London, United Kingdom

Dan Berry

Affiliation Department of Health, Richmond House, 79 Whitehall, London, United Kingdom

Michael Sanders

Affiliations The Behavioural Insights Team, 33 Greycoat Street, London, United Kingdom, Harvard Kennedy School, 79 John F. Kennedy Street Cambridge, MA, United States of America

Anna Sallis

Affiliation Public Health England, Skipton House, 80 London Road, London, United Kingdom

Dominic King

Affiliation Centre for Health Policy, Imperial College London, London, United Kingdom

Ivo Vlaev

Affiliation Centre for Health Policy, Imperial College London, London, United Kingdom

Ara Darzi

Affiliation Centre for Health Policy, Imperial College London, London, United Kingdom

Competing Interests

All authors have completed the ICMJE uniform disclosure form at http://www.icmje.org/coi_disclosure.pdf and declare: no support from any organisation for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work in the previous three years; no other relationships or activities that could appear to have influenced the submitted work. The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MH DB MS AS DK IV AD. Performed the experiments: MH DB AS. Analyzed the data: MS MH. Wrote the paper: MH DB MS AS DK IV AD.