Ethics approval and consent to participate
The Ethics Committee of Hamadan University of Medical Sciences approved this study (IR.UMSHA.REC.1394.588). The participants signed a written informed consent in which they were explained the study objectives, the risks and benefits, and the voluntary nature of participation in the study. Data were collected from the study participants. The students in the control group were provided with the video after completing the post-test. The trial was registered under the following code: IRCT2016110427488N1 (12/04/2020).