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Authors
Huang, Yiman
Su, Xiaoyou https://orcid.org/0000-0002-4216-2142
Xiao, Weijun
Wang, Hao
Si, Mingyu
Wang, Wenjun
Gu, Xiaofen
Ma, Li
Li, Li
Zhang, Shaokai
Yang, Chunxia
Yu, Yanqin
Qiao, Youlin
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Funding
Funding for this research was provided by:
the Asian Regional Special Cooperation Fund of National Health Commission of the People’s Republic of China (BLXM01)
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Article History
Received: 15 August 2021
Accepted: 31 January 2022
First Online: 14 February 2022
Declarations
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: This study has been approved by the Ethical Review Committee of Chinese Center for Disease Control and Prevention on December 4th, 2020 (approval number: 202020). An electronic informed consent was provided before the start of the questionnaire survey, upon completion of the informed consent, participants filled in the on-line questionnaire.
: Not applicable.
: The authors declare that they have no competing interests.
