Li, Xinglu
Lu, Zijun
Liu, Tao
Sun, Yuliang
Article History
Received: 7 December 2023
Accepted: 15 April 2024
First Online: 25 April 2024
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinki and approved by the Ethics Committee of Shaanxi Normal University (No: 201916001 2019-09). The informed consent was obtained from the students and their parents before each item was tested. The students over 18 years old had the informed consent signed by themselves. Others below 18 years old signed the informed consent together with their parent/guardian or legally authorised representative.
: Not applicable.
: The authors declare no competing interests.