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Authors
El-Koofy, Nehal M.
El-Shabrawi, Mortada H.
Abd El-alim, Basant A.
Zein, Marwa M. https://orcid.org/0000-0001-7908-4021
Badawi, Nora E.
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Article History
Received: 23 April 2021
Accepted: 22 September 2022
First Online: 7 November 2022
Declarations
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: The study was approved by the institutional ethical review board of Kasr Al-Ainy School of Medicine, Cairo University (IRB number: I-161006, date of approval 25/9/2018). Patients were treated according to the Helsinki Declaration of biomedical ethics. Written informed consent was obtained from guardians after proper orientation regarding the objectives of the study.
: Not applicable.
: The authors declare that they have no competing interests.
