Li, Xu Ming
Liu, Song Lian
He, Ya Jun
Shu, Jian Chang
Article History
Received: 2 January 2024
Accepted: 29 February 2024
First Online: 15 March 2024
Declarations
:
: The study was granted ethical approval by the National Center for Health Statistics (NCHS). The study was carried out in accordance with the ethical standards of the responsible committee on human experimentation and with the 1975 Helsinki Declaration and its later amendments. Furthermore, written informed consent was received from each subject.
: Not applicable.
: The authors declare no competing interests.