Received: 26 February 2019
Accepted: 26 July 2019
First Online: 5 August 2019
Ethics approval and consent to participate
: The study was approved by the research ethics committee of the Research Institute for Endocrine Sciences (RIES), Shahid Beheshti University of Medical Sciences. Written informed consents were obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.