2.4. Ethical Approval
The Ethical Committee of the Henan University of Economics and Law, and Zhengzhou University, Henan province, China, approved this study. The ethical approval was assigned as 202203/HNCN1003/168. Each participant was briefed about the study process and objectives, and the students were informed of their respective groups (either intervention or control) before starting the intervention. Participation was voluntary and only those that provided written and informed consent were recruited for the study. Apart from the expected benefits of participating in the intervention, no incentive was given for participating in this study.