Received: 25 August 2018
Accepted: 21 October 2018
First Online: 14 November 2018
Ethics approval and consent to participate
: The study was approved by the Research and Ethics Council of Isfahan University of Medical Sciences (code: 194049). After explanation of the study objectives and protocols, both written and verbal informed consent were obtained from all parents and pediatrics, respectively.
: All authors agree to publish this work.
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