Methods
Ethics statement: Obtaining informed consent was exempted by the Institutional Review Board of Ansan University (2023-04-001) because there was no sensitive information and the survey was anonymously treated. To encourage voluntary participation a professor independent to the research team explained the study purpose, principles of confidentiality, right to withdraw, and ensured that participation was not related to grading. The program was offered to comparison group students after completion of the study (28 students participated).