Received: 6 August 2020
Accepted: 20 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: This study was approved by the research ethics committee of the Research Institute for Endocrine Sciences (RIES), Shahid Beheshti University of Medical Sciences. All adolescents and their parents signed informed consent forms.
: Not applicable.
: The authors declare that they have no competing interests.