Text and Data Mining valid from 2019-06-11
Received: 15 November 2018
Accepted: 21 May 2019
First Online: 11 June 2019
Compliance with Ethical Standards
: This study was approved by the Ethics Committee of the Tehran University of the Medical Sciences and informed consents were obtained from all patients and/or their parents.
: The authors declare that they have no conflict of interest.