Sun, Xiaoyan
Luo, Shuying
Lou, Lingqiao
Cheng, Hang
Ye, Zhen
Jia, Jianwei
Wei, Yina
Tao, Jingbo
He, Hanqing
Funding for this research was provided by:
National Natural Science Foundation of China (81973106)
Beijing Municipal Natural Science Foundation (19L2060)
Article History
Received: 22 September 2020
Accepted: 10 June 2021
First Online: 16 June 2021
Declarations
:
: The Ethical Review Committee of the Chinese Center for Disease Control and Prevention (Beijing, China) approved the study. All the participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interest.