About the Authors

Louise E. Smith

Roles Conceptualization, Formal analysis, Writing – original draft, Writing – review & editing

louise.e.smith@kcl.ac.uk

Affiliations King’s College London, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom, NIHR Health Protection Research Unit in Emergency Preparedness and Response, London, United Kingdom

Abigail L. Mottershaw

Roles Project administration, Writing – review & editing

Affiliation Behavioural Insights Team, London, United Kingdom

Mark Egan

Roles Project administration

Affiliation Behavioural Insights Team, London, United Kingdom

Jo Waller

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom

Theresa M. Marteau

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Behaviour and Health Research Unit, Institute of Public Health, University of Cambridge, Cambridge, United Kingdom

G. James Rubin

Roles Conceptualization, Methodology, Writing – review & editing

Affiliations King’s College London, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom, NIHR Health Protection Research Unit in Emergency Preparedness and Response, London, United Kingdom

Competing Interests

JW is funded by a career development fellowship from Cancer Research UK (ref C7492/A17219). Data collection was funded via a block Government grant to the Behavioural Insights Team. There are no patents, products in development or marketed products associated with this research to declare.