Received: 23 October 2019
Accepted: 7 August 2020
First Online: 13 August 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of University of Tehran. The Approval Number is IR.UT.PSYEDU.REC. 1397.003. The authors stated that all relevant ethical principles, including confidentiality of the questionnaires, informed consent of the participants in the research, and discretion of leaving the study were respected in this study.
: Not applicable.
: The authors declare that they have no competing interests.