Received: 9 June 2021
Accepted: 15 October 2021
First Online: 17 November 2021
: Written informed consent and verbal assent were obtained from the parents and students after explaining the aim of study. The study protocol was approved by the Research and Ethics Council of Alborz University of Medical Sciences and it was in compliance with the declaration of Helsinki.
: Not Applicable.
: The authors declare that they have no competing interests.