Chen, Yanwei
Liu, Baiwei
Wang, Yu
Zhang, Yewu
Yan, Hanqiu
Li, Weihong
Shen, Lingyu
Tian, Yi
Jia, Lei
Zhang, Daitao
Yang, Peng
Gao, Zhiyong
Wang, Quanyi
Funding for this research was provided by:
Capital’s Funds for Health Improvement and Research (2020-2-1011, 2022-1G-3014, 2020-2-1011, 2022-1G-3014)
Article History
Received: 20 November 2022
Accepted: 11 April 2023
First Online: 2 May 2023
Declarations
:
: The study was approved by the Ethical Committee of Beijing Center for Disease Prevention and Control. No personal information was collected in the study, the requirement for informed consent was waived by the Ethical Committee of Beijing Center for Disease Prevention and Control. In this study all applied methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.