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Article History

Received: 27 November 2020

Accepted: 18 July 2021

First Online: 9 August 2021

Declarations

:

: The research was approved by the Ethics Committee of the Affiliated Hospital of Guangdong Medical University and the informed consent was waived due to the retrospective nature of the analysis. Researchers tried their best to protect the information from disclosure.

: Not Applicable.

: The authors declared that they have no conflicts of interests to this work. We declare that we do not have any commercial or associative interests that represents a conflict of interests in connection with the work submitted.