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
- 1.Ogusu N, Saruwatari J, Nakashima H, Noai M, Nishimura M, Deguchi M, et al. (2014) Impact of the Superoxide Dismutase 2 Val16Ala Polymorphism on the Relationship between Valproic Acid Exposure and Elevation of γ-Glutamyltransferase in Patients with Epilepsy: A Population Pharmacokinetic-Pharmacodynamic Analysis. PLoS ONE 9(11): e111066. 10.1371/journal.pone.0111066 [DOI] [PMC free article] [PubMed] [Google Scholar]
- 2.Iida K, Proctor RN. (2018) ‘The industry must be inconspicuous’: Japan Tobacco’s corruption of science and health policy via the Smoking Research Foundation. Tobacco Control 27:e3–e11. doi: 10.1136/tobaccocontrol-2017-053971 [DOI] [PMC free article] [PubMed] [Google Scholar]
- 3.https://journals.plos.org/plosone/s/disclosure-of-funding-sources#loc-funding-from-tobacco-companies