Retraction Retraction dated 2021-05-29

Article History

Received: 21 May 2020

Accepted: 16 July 2020

First Online: 29 July 2020

Change Date: 29 May 2021

Change Type: Correction

Change Details: A Correction to this paper has been published:

Change Details: https://doi.org/10.1186/s13018-021-02491-6

Ethics approval and consent to participate

: This study dealt with published data only, no ethical approval was needed.

: Not applicable.

: The authors declare that they have no competing interests.