Ji, Chenyi
Qin, Zhijian
Yang, Yucheng
Shen, Yao
Gao, Jie
Zhu, Fangrun
Liu, Fang
Article History
Received: 26 September 2025
Accepted: 30 January 2026
First Online: 9 February 2026
Declarations
:
: The current study was performed in accordance with the ethical standards of the 1964 Declaration of Helsinki and its later amendments. It was approved by the Ethics Review Board of the U.S. National Center for Health Statistics, and written informed consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interest.