The PLOS One Editors issue this Expression of Concern to alert readers that this article [1] was identified as one of a series of submissions for which we have concerns about authorship and adherence to the journal’s first and second publication criteria [2]. We regret that these issues were not addressed prior to the article’s publication.
References
- 1.Goyal A, Saeed H, Sultan W, Singh A, Abdullah, Arshad MK, et al. Mortality trends and disparities for coexisting chronic obstructive pulmonary disease and cardiovascular disease: A retrospective analysis of deaths in the United States from 1999–2020. PLoS One. 2025;20(2):e0317592. doi: 10.1371/journal.pone.0317592 [DOI] [PMC free article] [PubMed] [Google Scholar]
- 2.PLOS One. Criteria for Publication [Internet] Available from: https://journals.plos.org/plosone/s/criteria-for-publication [Accessed March 2026] [Google Scholar]