Cui, Ying https://orcid.org/0000-0002-8726-3799
Cheng, Ziyi
Article History
Received: 9 August 2024
Accepted: 14 January 2025
First Online: 2 February 2025
Declarations
:
: The study protocol was approved by the National Center for Health Statistics (NCHS) Research Ethics Review Board. All participants provided written informed consent.
: Not applicable.
: The authors declare no competing interests.