Ebrahim, Khaled Saeed http://orcid.org/0000-0001-9149-3135
Toubar, Ahmed Faisal
Article History
Received: 8 August 2018
Accepted: 4 February 2019
First Online: 14 February 2019
Ethics approval and consent to participate
: The study was approved by Ain Shams University Faculty of Medicine Ethical Committee. FMASU R 71/ 2018. Informed consent to participate was given by all patients or parents (Additional file InternalRef removed).
: (Non applicable). Retrograde study. Personal information’s were removed.
: The authors declare that they have no competing interests.
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