Liu, Shanshan
Zhang, Hao
Lan, Zhihui
Article History
Received: 2 February 2024
Accepted: 7 May 2024
First Online: 13 May 2024
Declarations
:
: The entire research study passed the ethical review of the National Center for Health Statistics (NCHS) in the United States, and informed consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interests.