Wu, Shanshan
Zhang, Huifeng
Article History
Received: 22 April 2025
Accepted: 23 April 2026
First Online: 28 April 2026
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinki and approved by the Research Ethics Committee of the Second Hospital of Hebei Medical University (protocol codes 2021–R524 and August 5, 2021). For all participants under 16 years of age, informed consent was obtained from their parents or legal guardians.
: Not applicable.
: The authors declare no competing interests.