Yu, Xin-xin
Yang, Shi-feng
Ji, Cong-shan
Qiu, Shen-qiang
Qi, Yao-dong
Wang, Xi-ming
Funding for this research was provided by:
National Natural Science Foundation of China (81871354, 81571672)
Article History
Received: 13 February 2022
Accepted: 21 October 2022
First Online: 13 December 2022
Declarations
:
: The ethics committee of the Shandong Provincial Hospital Affiliated to Shandong First Medical University approved this retrospective study, and the need for informed consent was waived owing to the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.