Xu, Min
Xu, Huirong
Li, Xiao
Chen, Fang
Article History
Received: 19 October 2021
Accepted: 5 July 2022
First Online: 11 July 2022
Declarations
:
: The study was based on the Declaration of Helsinki. The Ethics Committee of Northern Jiangsu People’s Hospital Affiliated to Yangzhou University ruled that no formal ethics approval was required in retrospective study. Written informed consent was obtained from the patients.
: Not applicable.
: The authors declare that they have no competing interests.