Fang, Jinxia
Zhang, Zeyi
Zhang, Qi
Jia, Wanshun
Chen, Xue
Li, Yuanyuan
Article History
Received: 29 October 2024
Accepted: 29 July 2025
First Online: 9 August 2025
Declaration
:
: The present study was performed in accordance with the Declaration of Helsinki. This study was approved by the Ethics Committee of Shandong University (No. 2020-12-071). The participants were informed about the objective, risk and benefit of research. Written informed consent was obtained before the investigation. The survey did not include participant names or any other type of identifying information.
: Not applicable.
: The authors declare no competing interests.