The Funding Statement for this article [1] states that the study received funding from the Smoking Research Foundation, which according to [2] has received financial support from the tobacco industry. In light of this issue the PLOS ONE article [1] does not comply with the journal’s policy on Funding from Tobacco Companies [3] which was implemented in 2010.
Therefore, the PLOS ONE Editors issue this Expression of Concern.
We regret that this concern was not identified and addressed prior to the article’s [1] publication.
References
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