Li, Xinyue
Yang, Jing
Article History
Received: 26 July 2021
Accepted: 5 February 2022
First Online: 27 February 2022
Declarations
:
: Participants’ informed consent was not required for this study because of its retrospective nature. The Medical Ethics Committee of the First Affiliated Hospital of Jinzhou Medical University approved this study, and the study was conducted in accordance with the Declaration of Helsinki.
: Not applicable
: The authors declare no competing interests.