Liu, Heng
Cheng, Yanxiang
Funding for this research was provided by:
National Natural Science Foundation of China (81860276)
China Medical Association Clinical Medical Research Special Fund Project (17020310700)
Fundamental Research Funds for the Central Universities (2042020kf1013)
Graduate credit course projects (413000206)
Educational and Teaching Reform Research Project (413200095)
Article History
Received: 13 August 2021
Accepted: 10 March 2022
First Online: 23 March 2022
Declarations
:
: All methods were carried out in accordance with relevant guidelines and regulations (declaration of Helsinki).
: Not applicable.
: The authors declare that they have no competing interests.