About the Authors

Corinna Leppin

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing

corinna.leppin.21@ucl.ac.uk

Affiliation Department of Behavioural Science and Health, University College London, London, United Kingdom

Jamie Brown

Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

Affiliation Department of Behavioural Science and Health, University College London, London, United Kingdom

Claire Garnett

Roles Conceptualization, Supervision, Writing – review & editing

Affiliations Department of Behavioural Science and Health, University College London, London, United Kingdom, School of Psychological Science, University of Bristol, Bristol, United Kingdom

Dimitra Kale

Roles Investigation, Project administration, Writing – review & editing

Affiliation Department of Behavioural Science and Health, University College London, London, United Kingdom

Tosan Okpako

Roles Investigation, Writing – review & editing

Affiliation Department of Behavioural Science and Health, University College London, London, United Kingdom

David Simons

Roles Data curation, Visualization, Writing – review & editing

Affiliation Department of Anthropology, The Pennsylvania State University, University Park, Pennsylvania, United States of America

Olga Perski

Roles Conceptualization, Data curation, Investigation, Methodology, Project administration, Supervision, Validation, Writing – review & editing

Affiliations Department of Behavioural Science and Health, University College London, London, United Kingdom, Department of Psychology, Stockholm University, Stockholm, Sweden

Competing Interests

OP and JB act as unpaid scientific advisors to the Smoke Free app. They do not receive salaries or any other remuneration for this work. CG, DK, CL, TO, and DS have no competing interests to declare.