Hu, Hanxu
Zhao, Liying
Yong, Yang
Nicholas, Stephen
Maitland, Elizabeth
Zhao, Weihan
Yan, Hao
Ma, Yong
Shi, Xuefeng
Article History
Received: 22 September 2022
Accepted: 17 January 2023
First Online: 26 January 2023
Declarations
:
: The data sets we used were anonymized database, did not affect patient health and care. In 2019, our team began to use the medical insurance database for health cost research, and the Ethics Committee of Beijing University of Chinese Medicine reviewed and agreed to conduct the study (No.2019BZHYLL0201) and waived the requirement of informed consent. All methods followed relevant guidelines and regulations.
: Not Applicable.
: The authors declare that they have no competing interests.