About the Authors

Alexandra Burton

Contributed equally to this work with: Alexandra Burton, David Osborn, Lou Atkins, Kate Walters

a.burton@ucl.ac.uk (AB); d.osborn@ucl.ac.uk (DO)

Affiliation Epidemiology and Applied Clinical Research Department, Division of Psychiatry, Faculty of Brain Sciences, University College London, London, United Kingdom

David Osborn

Contributed equally to this work with: Alexandra Burton, David Osborn, Lou Atkins, Kate Walters

a.burton@ucl.ac.uk (AB); d.osborn@ucl.ac.uk (DO)

Affiliation Epidemiology and Applied Clinical Research Department, Division of Psychiatry, Faculty of Brain Sciences, University College London, London, United Kingdom

Lou Atkins

Contributed equally to this work with: Alexandra Burton, David Osborn, Lou Atkins, Kate Walters

Affiliation Centre for Behaviour Change, Department of Clinical, Educational and Health Psychology, Division of Psychology and Language Sciences, Faculty of Brain Sciences, University College London, London, United Kingdom

Susan Michie

‡ These authors also contributed equally to this work.

Affiliation Centre for Behaviour Change, Department of Clinical, Educational and Health Psychology, Division of Psychology and Language Sciences, Faculty of Brain Sciences, University College London, London, United Kingdom

Ben Gray

‡ These authors also contributed equally to this work.

Affiliation The McPin Foundation, London, United Kingdom

Fiona Stevenson

‡ These authors also contributed equally to this work.

Affiliation Department of Primary Care and Population Health, Institute of Epidemiology and Health Care, Faculty of Population Health Sciences, University College London, London, United Kingdom

Hazel Gilbert

‡ These authors also contributed equally to this work.

Affiliation Department of Primary Care and Population Health, Institute of Epidemiology and Health Care, Faculty of Population Health Sciences, University College London, London, United Kingdom

Kate Walters

Contributed equally to this work with: Alexandra Burton, David Osborn, Lou Atkins, Kate Walters

Affiliation Department of Primary Care and Population Health, Institute of Epidemiology and Health Care, Faculty of Population Health Sciences, University College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AB DO LA SM BG FS HG KW. Performed the experiments: AB LA BG. Analyzed the data: AB DO LA BG KW. Contributed reagents/materials/analysis tools: AB DO LA SM BG FS HG KW. Wrote the paper: AB DO LA SM BG FS HG KW.