Yang, Liu
Li, Wen
Zou, Jian
An, Junnan
Zeng, Bin
Zheng, Yitao
Yang, Jiming
Ren, Jia
Article History
Received: 10 December 2021
Accepted: 8 July 2022
First Online: 14 July 2022
Declarations
:
: This study was approved by the Institutional Review Board and Ethics Committee of the West China Hospital of Sichuan University. Written informed consent was obtained from all participating students. All authors confirm that all methods were carried out following relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.