Yang, Shuyue
Lin, Haijiang
Zhu, Jianfu
Chen, Yue
Wang, Na
Zhao, Qi
Fu, Chaowei http://orcid.org/0000-0003-0966-8552
Article History
Received: 7 June 2020
Accepted: 10 November 2020
First Online: 24 November 2020
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: The Institutional Review Board of the Fudan University School of Public Health approved the study. All participants in this study gave an online informed consent.
Free to read: This content has been made available to all.