Received: 4 August 2020
Revised: 1 November 2020
Accepted: 3 November 2020
First Online: 2 January 2021
Ethics approval and consent to participate
: Parents gave written informed consent and all adolescents provided assent to participate. The protocols of this study were approved by the institutional ethics committee of the Research Institute for Endocrine Sciences (RIES), affiliated with the Shahid Beheshti University of Medical Sciences in Tehran.
: Not applicable.
: The authors declare that they have no competing interests.