About the Authors

Dragos C. Petrescu

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

Gareth J. Hollands

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

Dominique-Laurent Couturier

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

Yin-Lam Ng

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

Theresa M. Marteau

tm388@cam.ac.uk

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DCP GJH TMM. Performed the experiments: DCP GJH TMM. Analyzed the data: DCP DLC YLN. Wrote the paper: DCP GJH DLC YLN TMM.