Funding for this research was provided by:
Tabriz University of Medical Sciences
Received: 7 January 2021
Accepted: 21 July 2021
First Online: 30 July 2021
: This study was approved by the Ethics Committee of Tabriz University of Medical Sciences under the code TBZMED.REC.1394.674. Written informed consent was obtained from all the subjects before the interview. For subjects who were under 18, written informed consent was obtained from the father or guardian of participants face to face after justifying the purpose of the study.
: Not Applicable.
: The authors have no competing interests to declare.