Huang, Jing
Li, Yanchun
Shen, Shen
Yu, Ling
Sun, Qianmei
Article History
Received: 19 July 2025
Accepted: 22 October 2025
First Online: 29 December 2025
Declarations
:
: The study protocol was approved by the Medical Ethics Committee of Beijing Chao-yang Hospital, Capital Medical University, in accordance with the Declaration of Helsinki. Due to the retrospective nature of the study and the analysis of deceased patients only, the requirement for informed consent was waived by the ethics committee.
: Not Applicable.
: The authors declare no competing interests.