1. School of Public Health and Health SystemsUniversity of Waterloo Waterloo ON Canada
2. Addictions DepartmentInstitute of Psychiatry, Psychology & Neuroscience, King's College London London UK
3. UK Centre for Tobacco & Alcohol Studies UK
4. Department of Psychiatry and Behavioural SciencesMedical University of South Carolina Charleston SC USA
5. Hollings Cancer CenterMedical University of South Carolina Charleston SC USA
6. Department of PsychologyUniversity of Waterloo Waterloo ON Canada
7. Ontario Institute for Cancer Research Toronto ON Canada
8. Cancer Council Victoria Melbourne VIC Australia
9. School of PsychologyDeakin University Geelong VIC Australia
10. Department of Health Promotion, Education, and Behavior, Arnold School of Public HealthUniversity of South Carolina Columbia SC USA
11. Tobacco Research DepartmentCenter for Population Health Research, National Institute of Public Health Cuernavaca Mexico
12. School of Psychological SciencesUniversity of Melbourne Melbourne Australia