Funding for this research was provided by:
Ministry of Science Research and Technology (900/51/38)
Received: 17 May 2020
Accepted: 12 August 2020
First Online: 20 August 2020
Ethics approval and consent to participate
: Parents of children provided written informed consent to participate their children in the current study. The study was ethically approved by the Institute of Education Studies affiliated to Ministry of Education of Iran by this number: 900/51/38.
: Not applicable.
: The authors have no conflict of interest to disclose.