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Authors
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Funding
Funding for this research was provided by:
Bill and Melinda Gates Foundation (INV-006277)
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Article History
Received: 23 January 2022
Accepted: 16 May 2022
First Online: 18 June 2022
Declarations
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: The study was approved by the Ethics Committee of the School of Public Health, Fudan University.
: Not applicable.
: The authors declare that they have no known competing financial interests or personal relationships that could influence the work reported in this paper.
