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Authors
Zhang, Ruoxin
Pei, Jianfeng
Wang, Yanli
Wang, Lei
Yeerjiang, Yeerzhati
Gao, Haifeng
Xu, Wanghong http://orcid.org/0000-0003-2045-2218
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Article History
Received: 18 October 2021
Accepted: 23 March 2022
First Online: 4 April 2022
Declarations
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: Ethical approval was obtained from the Institutional review board of the Fudan University School of Public Health (IRB00002408 & FWA00002399). Informed consent was presented at the fore page of the questionnaire, and signature was waived because the questions were answered anonymously.
: Not applicable.
: The authors declare no conflict of interest.
