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Article History

Received: 24 June 2021

Accepted: 15 October 2021

First Online: 6 November 2021

Declarations

:

: The ethics committee of the Shenzhen hospital University of the Chinese Academy of Sciences approved the study. Furthermore, because this study was a quality improvement activity, the ethics committee waived the mandate for obtaining written informed consent from subjects. All methods were performed following the relevant guidelines and regulations.

: Not applicable.

: All authors declared that they had no competing interests.