Funding for this research was provided by:
Isfahan University of Medical Sciences (295012)
Office of National Drug Control Policy (-)
Received: 15 August 2019
Accepted: 12 April 2020
First Online: 22 April 2020
Ethics approval and consent to participate
: The Ethics Committee of the Isfahan University of Medical Sciences approved the study protocol (IR.MUI.REC.1395.2.012) and (project number 295012). To observe the research ethics principles, the consent of the relevant authorities was obtained before beginning the study. The participants provided written consents for their participation in the study and recording their voices. The purpose of the study was explained to the participants. They were also informed that the participation in the study would be voluntary, and that they could withdraw from the study unconditionally and whenever they wished.
: Consent to publish was obtained from the participants.
: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.