Received: 3 February 2020
Accepted: 30 September 2020
First Online: 4 October 2020
Ethics approval and consent to participate
: The design of this study was approved by the institutional ethics committee of the Research Institute for Endocrine Sciences, affiliated to the Shahid Beheshti University of Medical Sciences (NO: IR.SBMU.ENDOCRINE.REC.1395.373). Written informed consent was obtained from participants’ parents or legal guardians.
: This manuscript does not contain data from any individual person, and all authors give consent for publication.
: None to declare.