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Article History

Received: 11 November 2021

Accepted: 23 March 2022

First Online: 31 March 2022

Declarations

:

: All authors clearly consented to and approved this manuscript. The study strictly followed the ethical principles set out in the “Declaration of Helsinki”. All patients and their families (spouse or children) have informed consent and signed an informed consent form, the study was approved by the Medical Ethics Committee of the First Hospital of Hebei Medical University and the Medical Ethics Committee of Beijing Tiantan Hospital affiliated to Capital Medical University, and the ethics committee approved this form of proxy consent.

: Not applicable.

: There are no competing interests.