Wang, Rong
Liu, Chuanyong
Zhang, Shu-Yong
Article History
Received: 21 February 2023
Accepted: 26 August 2023
First Online: 13 September 2023
Declarations
:
: This study, with use of the student survey, was approved by the Ethics Committee of Shandong University. Students were informed about the study and signed consent forms, and the informed written consent to participate was obtained. All procedures involving human participants were performed in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare no competing interests.