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. Raza FA, Kumar S, Mohammad A, Amin A, Ahmad F, Tousif S, et al. Shifting temporal trends and disparities in sarcoidosis mortality in the United States: A retrospective analysis from 1999 to 2020. PLoS One. 2025;20(1):e0317237. pmid:39792876
- 2. PLOS One. Criteria for Publication [Internet] Available from: https://journals.plos.org/plosone/s/criteria-for-publication [Accessed March 2026]
Citation: The PLOS One Editors (2026) Expression of Concern: Shifting temporal trends and disparities in sarcoidosis mortality in the United States: A retrospective analysis from 1999 to 2020. PLoS One 21(4): e0346409. https://doi.org/10.1371/journal.pone.0346409
Published: April 6, 2026
Copyright: © 2026 The PLOS One Editors. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.