Hao, Xiaoxiong
Han, Lei
Zheng, Danyang
Jin, Xiaozhi
Li, Chenguang
Huang, Lvshuai
Huang, Zhaohui
Funding for this research was provided by:
the Military Program of National Social Science Foundation of China (2021-SKJJ-C-040, 2021-SKJJ-C-040)
Article History
Received: 1 February 2023
Accepted: 10 July 2023
First Online: 28 July 2023
Declarations
:
: The study protocol was approved by the ethics committee of General Hospital of Central Theater Command and data extraction from HIS was approved by the department of health service. All methods were carried out in accordance with relevant guidelines and regulations, and informed consent was obtained from all subjects or their legal guardians.
: Not applicable.
: The authors declare no competing interests.