Hu, Yaohua
Liang, Yu
Li, Jian
Li, Xinyang
Yu, Mengyuan
Cui, Wenpeng
Funding for this research was provided by:
Jilin Provincial Scientific and Technological Development Program (YDZJ202201ZYTS110)
Article History
Received: 23 November 2024
Accepted: 11 January 2025
First Online: 24 January 2025
Declarations
:
: The research was approved by the Peking University Institutional Review Board and carried out in compliance with the ethical standards outlined in the Declaration of Helsinki. Field personnel performed standardized, verified interviews in compliance with the Declaration of Helsinki’s ethical norms and with approval from the Peking University Institutional Review Board, and all participants gave their informed permission.
: The authors declare no competing interests.