Tang, Haoqing
Li, Mingyue
Liu, Larry Z.
Zhou, Yanbing
Liu, Xiaoyun
Funding for this research was provided by:
Merck Sharp & Dohme LLC
Article History
Received: 31 May 2023
Accepted: 15 November 2023
First Online: 24 November 2023
Declarations
:
: CHARLS was approved by the Biomedical Ethics Review Committee of Peking University, and the ethical approval number was IRBO0001052-11015. All procedures were in accordance with the ethical standards of the Helsinki Declaration. Participants provided informed consent before data collection.
: Not applicable.
: The authors declare no competing interests.