Meng, Zhe
Jiang, Yaohui
Xu, Chang
Zheng, Huifen
Li, Haiyu
Article History
Received: 6 June 2023
Accepted: 20 September 2023
First Online: 9 October 2023
Declarations
:
: The study was approved by the institutional review board of National Center for Health Statistics and all participants provided written informed consent. All methods were carried out in accordance with Helsinki regulations.
: Not applicable.
: The authors declare no competing interests.