Li, Xi
Mohanty, Itismita
Zhai, Tiemin
Chai, Peipei
Niyonsenga, Theo
Article History
Received: 21 June 2023
Accepted: 9 September 2023
First Online: 21 September 2023
Declarations
:
: The Biomedical Ethics Review Committee of Peking University approved the procedures for the CHARLS data collection. All participants were required to provide written informed consent. This research was carried out in accordance with a named standard.
: Not applicable.
: The authors declare no competing interests.