Funding for this research was provided by:
Medical and Health Research Project of Zhejiang Health Commission (2020KY525, 2021KY629)
Natural Science Foundation of Zhejiang Province (GF21H260012)
Non-profit Central Research Institute Fund of Chinese Academy of Medical Sciences (2020-PT330-003)
Health Commission of Zhejiang Province, China (WKJ-ZJ-2106)
Received: 14 September 2021
Accepted: 1 February 2022
First Online: 5 March 2022
: This study was approved by the Ethics Review Committee of the Zhejiang Provincial Center for Disease Control and Prevention (Protocol No. 2020-24).
: The authors declare that they have no competing interests.