Retraction Retraction dated 2024-03-21

Article History

Received: 4 December 2020

Accepted: 2 June 2021

First Online: 2 August 2021

Change Date: 21 March 2024

Change Type: Correction

Change Details: This article has been retracted. Please see the Retraction Notice for more detail:

Change Details: https://doi.org/10.1186/s12885-024-12097-w

Declarations

:

: Each participant understood the process of the study and signed a written informed consent before the start of the study. All study protocols of the current study were approved by ethics committee of Weifang People’s Hospital. All methods were performed in accordance with the Declaration of Helsinki.

: Not applicable.

: The authors declare that they have no competing interests.