Received: 7 June 2022
Accepted: 26 August 2022
First Online: 2 September 2022
: The Ethics Committee of Kermanshah University of Medical Sciences approved the study (code: IR.KUMS.REC.1399.1082). Due to the spread of the coronavirus, we were unable to talk to the children's parents face to face, so we had to talk to them over the phone and get their verbal informed consent. The procedure for obtaining verbal informed consent was approved by the Ethics Committee of Kermanshah University of Medical Sciences. All methods were carried out by relevant guidelines and regulations. This study was conducted by the Declaration of Helsinki.
: Not applicable.
: The authors declare no conficts of interest.