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This found that increased sensitivity to retail tobacco displays reduced the likelihood of a smoker successfully quitting: pack displays were found to make quitting more difficult for smokers most sensitive to the presence of displays

These included clinician researchers in tobacco cessation, provincial and territorial health authorities, advocacy organizations, cancer-specific organizations, professional associations, and guideline development groups (see Acknowledgements)

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It was led by researchers from Columbia Universitys Mailman School of Public Health and the City University of New York.