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Article History

Received: 15 October 2021

Accepted: 5 May 2022

First Online: 21 May 2022

Declarations

:

: The ethics approval was obtained from Ethics committee of The Affiliated Hospital 2 of Nantong University (2021KT004). The requirement for informed consent was waived by the Ethics Committee of the Affiliated Hospital 2 of Nantong University because of the retrospective nature of the study.

: Yes

: The authors declare that they have no competing financial interests.