Received: 2 July 2020
Accepted: 5 April 2021
First Online: 19 May 2021
: The study protocol was approved by the ethical committee of Cairo University Hospital Research Committee. The study and data collection were conformed to all local laws and were compliant with the principles of the Declaration of Helsinki. Committee reference number is not available. All patients’ guardians agreed to undergo the assessment and had the written consent to participate in the study and publication
: Not applicable.
: The authors had no conflicts of interest to disclose.