Funding for this research was provided by:
Tehran University of Medical Sciences and Health Services (97 01 62 38157)
Received: 1 May 2021
Accepted: 22 March 2022
First Online: 1 April 2022
: The Ethics Committee of Tehran University of Medical Sciences and Health Services approved the study and approved of verbal consent. (IR.TUMS.VCR.REC.1397.398). Verbal informed consent was given from participants. The researchers explained all information of the study to participants. They allowed them to ask questions, and they were given enough time to consider whether or not to participate in the research. The researchers answered any additional questions to obtain verbal agreement to participate in the study.
: All of the authors have consent to publish.
: The authors declare that they have no competing interests.