Funding for this research was provided by:
Bill and Melinda Gates Foundation (INV-034554)
Article History
Received: 1 May 2023
Accepted: 25 September 2023
First Online: 7 October 2023
Declarations
:
: The study was ethically reviewed and approved by the Peking University Institutional Review Board (IRB00001052-19076), and written informed consent was obtained from individual participants.
: Not applicable.
: The authors declare no conflict of interest.