Zhang, Tao
He, Fan
Hu, Jianjiang
Wang, Xinyi
Li, Fudong
Zhai, Yujia
Gu, Xue
Wu, Mengna
Lin, Junfen
Funding for this research was provided by:
Natural Science Foundation of Zhejiang Province (Q19H260001)
Zhejiang Province Public Welfare Technology Application Research Project (LGF19H260003)
Article History
Received: 21 July 2020
Accepted: 14 September 2020
First Online: 26 September 2020
Compliance with ethical standards
:
: The authors declare no competing interests.
: The study was approved by the ethics committee of Zhejiang Provincial Center for Disease Control and Prevention.
: Informed consent was obtained from each participant or their legally authorized representative (low literacy and/or physically disabled participants).