About the Authors

Kate Walters

k.walters@ucl.ac.uk

Affiliation Department of Primary Care and Population Health, University College London (UCL), London, United Kingdom

Greta Rait

Affiliation Department of Primary Care and Population Health, University College London (UCL), London, United Kingdom

Mark Griffin

Affiliation Department of Primary Care and Population Health, University College London (UCL), London, United Kingdom

Marta Buszewicz

Affiliation Department of Primary Care and Population Health, University College London (UCL), London, United Kingdom

Irwin Nazareth

Affiliation Department of Primary Care and Population Health, University College London (UCL), London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KW GR MG MB IN. Performed the experiments: KW MG. Analyzed the data: MG. Wrote the paper: KW GR MG MB IN.