Received: 10 October 2019
Accepted: 9 March 2020
First Online: 20 March 2020
Ethics approval and consent to participate
: The questionnaires were submitted to the research units after obtaining legal permission and observing ethical issues. This research was approved by the Ethics Committee of Islamic Azad University, Yazd Branch, Iran, with the ethics code no. IR.IAU.YAZD.REC.1398.012. In order to comply with the research ethics, an informed consent form was completed by all participants and their parents. Since the participants were under 16 years old, an informed consent form was completed by all parents. Participants were assured about the confidentiality of the information they provided and all participants expressed their consent to enter the study. All participants were aware of the research objectives and the voluntary nature of their participation. They were told they could attend each stage of the study.
: The article does not contain any individual’s details and consent for publication is not applicable.
: The authors declared no conflicts of interest with respect to the research, authorship, and/or publication of this article.