Zhang, Xiaoyun
Xu, Shuo
Wang, Jiaqi
Lv, Yalei
Wang, Na
Lai, Ruixue
Sha, Ziyue
Zhao, Qun
Guo, Zhanjun
Article History
Received: 19 May 2022
Accepted: 19 October 2022
First Online: 5 November 2022
Declarations
:
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. It was determined to be a retrospective analysis of de-identified data, and thus was determined to be exempt from requiring written informed consent. The experimental protocols and all procedures were confirmed by the ethics committee of the Fourth Hospital of Hebei Medical University. The need for written informed consent was waived by the ethics committee of the Fourth Hospital of Hebei Medical University due to retrospective nature of the study.
: This manuscript contains no individual person’s data.
: This research was conducted in the absence of any commercial or financial relationships.