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Authors
Long, Qian
Jiang, Wei-Xi
Zhang, Hui
Cheng, Jun
Tang, Sheng-Lan
Wang, Wei-Bing http://orcid.org/0000-0002-4497-5251
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Funding
Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP1137180)
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Article History
Received: 30 November 2020
Accepted: 9 February 2021
First Online: 10 March 2021
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of the Chinese Center for Disease Control and Prevention [201626].
: Not applicable.
: The authors declare that they have no competing interests.
