About the Authors

Sophie Orton

Sophie.orton@nottingham.ac.uk

Affiliation UK Centre for Tobacco & Alcohol Studies & Division of Primary Care, University of Nottingham, Nottingham, United Kingdom

Laura L. Jones

Affiliation UK Centre for Tobacco & Alcohol Studies and Unit of Public Health, Epidemiology & Biostatistics, School of Health & Population Sciences, University of Birmingham, Birmingham, United Kingdom

Sue Cooper

Affiliation UK Centre for Tobacco & Alcohol Studies & Division of Primary Care, University of Nottingham, Nottingham, United Kingdom

Sarah Lewis

Affiliation UK Centre for Tobacco & Alcohol Studies & Division of Epidemiology & Public Health, University of Nottingham, Nottingham, United Kingdom

Tim Coleman

Affiliation UK Centre for Tobacco & Alcohol Studies & Division of Primary Care, University of Nottingham, Nottingham, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SO LJ SC SL TC. Performed the experiments: SO. Analyzed the data: SO. Contributed reagents/materials/analysis tools: SO. Wrote the paper: SO LJ SC SL TC.