Sarhan, Osama http://orcid.org/0000-0002-1529-8909
El Helaly, Ahmed
Al Otay, Abdulhakim
Al Ghanbar, Mustafa
Nakshabandi, Ziad
Al Kawai, Fouad
Article History
Received: 1 March 2020
Accepted: 23 July 2020
First Online: 17 October 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Prince Sultan Military Medical City on 04/2017. Written informed consent to participate in the study was provided by all participants’ parents before inclusion.
: Not applicable.
: The authors declare that they have no competing interests.