Zhou, You
Song, Xuewen
Ma, Jifang
Wang, Xianqing
Fu, Haixia
Funding for this research was provided by:
Henan Medical Science and Technology Research Plan (LHGJ20210093)
Article History
Received: 26 November 2022
Accepted: 2 January 2023
First Online: 9 January 2023
Declarations
:
: The study was conducted according to the guidelines of the Declaration of Helsinki, and approved by the Ethics Committee of the Henan Provincial People’s Hospital. The need for informed consent was waived by the Ethics Committee of the Henan Provincial People’s Hospital, because of the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.