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Electronic cigarette advertising at the point-of-sale: a gap in tobacco control research
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Footnotes
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Contributors JC, JM-H, DV, TRK and AA designed the study and data collection system. OG and JC conceived and wrote the paper. JM-H, AA, TRK and DV provided substantial feedback on the paper.
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Competing interests None.
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Provenance and peer review Not commissioned; externally peer reviewed.