Ishak, Sally Raafat http://orcid.org/0000-0001-9210-8331
Hassan, Azza Mohammed
Article History
Received: 18 August 2020
Accepted: 14 October 2020
First Online: 4 November 2020
Ethics approval and consent to participate
: Approval of the medical ethical committee of Children’s Hospital, Ain Shams University, was taken before the study. The committee’s reference number is not available. Written informed consent was obtained from a parent or legal guardian of participants under 16 years old.
: Not applicable
: No conflict of interest.