Kong, Lingwei
Ji, Hairu
Gan, Xintian
Cao, Sheng
Li, Zhehong
Jin, Yu
Funding for this research was provided by:
Department of Health of Hebei Province (20200352, 20200378)
Department of Education of Hebei Province (QN2020107)
Article History
Received: 11 November 2021
Accepted: 2 March 2022
First Online: 9 March 2022
Declarations
:
: Not applicable.
: Not applicable.
: The authors report no declarations of interest.