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