Yu, Zhiwei
Yuan, Mingxue
Chen, Guojun
Article History
Received: 29 December 2022
Accepted: 30 November 2023
First Online: 13 December 2023
Declarations
:
: Our study is retrospective, and the Qinghai University Affiliated Hospital has confirmed that there is no need for ethical approval.
: The authors declare that there is no conflict of interests.