Funding for this research was provided by:
Shiraz University of Medical Sciences (45452)
Received: 2 March 2020
Accepted: 1 December 2020
First Online: 7 December 2020
Ethics approval and consent to participate
: The research design was approved by the Scientific and Ethical Committee of Shiraz University of Medical Sciences (IR.SUMS.REC.1398.007). Before distributing the questionnaire, the objectives and methodology of the study were explained to the participants and their mothers. Written informed consents were obtained from the students and their mothers. In this way, the participants and their mothers were ascertained that participation in the study was voluntary and that the data would only be analyzed collectively. Additionally, anonymous questionnaires were collected through face-to-face interviews.
: Not applicable.
: The authors declare that they have no competing interests.