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Authors
Talaat, Ahmed A.
Abohashish, Maha M. A.
Farid, Tarek M.
Salah, Mohab M.
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Article History
Received: 19 November 2019
Accepted: 13 January 2020
First Online: 21 January 2020
Ethics approval and consent to participate
: Informed consent was obtained from the parents, and the study protocol was approved by the National Research Centre Ethics Committee.
: Not applicable
: The authors declare that they have no competing interests.
