Li, Bingxiao
Cao, Han
Liu, Kuo
Xia, Juan
Sun, Yanyan
Peng, Wenjuan
Xie, Yunyi
Guo, Chunyue
Liu, Xiaohui
Wen, Fuyuan
Zhang, Fengxu
Shan, Guangliang
Zhang, Ling https://orcid.org/0000-0003-2468-864X
Funding for this research was provided by:
The National Key Research and Development Program of China (2016YFC0900600/2016YFC0900603)
Article History
Received: 4 January 2022
Accepted: 9 April 2022
First Online: 21 April 2022
Declarations
:
: Each of the participants provided a written informed consent at their enrollment, and the ethical committees of Capital Medical University (Beijing, China), Chaoyang District Center for Disease Prevention and Control (Beijing, China) and Hebei Provincial Center for Disease Prevention and Control (Shijiazhuang, Hebei) approved this study.
: Each participant provided written informed consent at their enrollment.
: Not applicable.
: The authors declare no competing interests.