Retraction Note: BMC Cancer 21, 885 (2021)

https://doi.org/10.1186/s12885-021-08571-4

The Editor has retracted this article because of substantial overlaps with article [1] by different authors that was under submission at the same time. The authors did not respond to a request to explain the overlaps and to provide evidence that an ethics approval had been obtained before the commencement of the study. The authors did not respond to correspondence from the Editor about this retraction.