Received: 2 January 2020
Accepted: 4 August 2020
First Online: 17 August 2020
Ethics approval and consent to participate
: The study was provided ethical approval by the Kermanshah University of Medical Sciences (IR.KUMS.REC1397.825: 2019.01.09). Written consent was obtained from all participant and a parent or guardian on behalf of any participants under the age of 18.
: Not applicable.
: The authors declare that they have no competing interests.