Xu, Tian
Article History
Received: 7 May 2024
Accepted: 30 January 2025
First Online: 22 February 2025
Declarations
:
: All subjects gave their informed consent to participate in the study before they participated. The study was conducted in accordance with the Declaration of Helsinki, and the protocol was approved by the Institutional Review Board Shaanxi Normal University. Informed consent was obtained from parents/guardians for participants under 18.
: Not applicable.
: The authors declare no competing interests.