Luo, Jin-hua
Zhang, Tu-ming
Yang, Lin-lin
Cai, Yu-ying
Yang, Yu
Article History
Received: 9 June 2023
Accepted: 17 October 2023
First Online: 25 October 2023
Declarations
:
: Ethical approval for CHARLS was granted from the Institutional Review Board(IRB) at Peking University. The IRB approval number for the main household survey, including anthropometrics, is IRB00001052-11015, and the IRB approval number for biomarker collection, was IRB00001052-11014. All participants gave a written informed consent before enrollment in the study. The study methodology was carried out in accordance with approved guidelines.
: Not applicable.
: The authors declare no conflict of interests.