Received: 31 March 2020
Accepted: 27 May 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: This study was approved by Radiology Department Kasr Alaini Cairo University hospital research ethics committee. Number: not available. Written informed consent was signed by patients’ guardians.
: All patients’ guardians included in this research gave written informed consent to publish the data contained within this study. Written informed consent for the publication of this data was given by their parent or legal guardian.
: The authors declare that they have no competing interests.