Editorial Expression of Concern: Adding a smartphone app to global postural re-education to improve neck pain, posture, quality of life, and endurance in people with nonspecific neck pain: a randomized controlled trial
Fatemeh Abadiyan, Malihe Hadadnezhad, Zohre Khosrokiani, Amir Letafatkar, Haniyeh Akhshik

Abstract
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
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Taxonomy
TopicsMusculoskeletal pain and rehabilitation · Occupational Health and Performance · Ergonomics and Musculoskeletal Disorders
Editorial Expression of Concern: Trials 22, 274 (2021)
https://doi.org/10.1186/s13063-021-05214-8
The Editor-in-Chief is issuing an editorial expression of concern to alert readers that concerns have been raised regarding the ethical approval for this research. The authors have provided conflicting documentation regarding which Institutional Review Board approved their work, the approval numbers and the dates at which these approvals were received.
Amir Letafatkar does not agree to this editorial expression of concern. Fatemeh Abadiyan, Malihe Hadadnezhad, Zohre Khosrokiani and Haniyeh Akhshik have not responded to any correspondence from the editor about this editorial expression of concern.
The original article [1], can be found online at https://link.springer.com/article/10.1186/s13063-021-05214-8.
