Text and Data Mining valid from 2018-11-23
Received: 7 March 2018
Accepted: 16 November 2018
First Online: 23 November 2018
Ethics approval and consent to participate
: Parents gave written informed consent and all children provided assent to participate. Ethics approval was obtained from the ethics committee of the Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences (NO: IR.SBMU.ENDOCRINE.REC.1395.373).
: Not applicable.
: The authors declare that they have no competing interests.
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