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Authors
Nawar, Ahmed https://orcid.org/0000-0003-0291-0027
Nouh, Omar Mohamed https://orcid.org/0000-0001-7599-6912
Saad, Ahmed Samy https://orcid.org/0000-0001-8487-1927
Aboul Nasr, Laila Ahmed
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Article History
Received: 4 December 2021
Accepted: 21 December 2021
First Online: 1 March 2022
Declarations
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: The authors declare that no funds, grants, or other support were received during the preparation of this manuscript.
: This study was performed in line with the principles of the declaration of Helsinki. Approval was granted by the Ethics Committee of Cairo university faculty of Medicine, approval number MD 1212-2018.
: Informed consent was obtained from all patients enrolled in the study or from the legal guardians for the pediatric population included. Separate written consent was obtained from the legal guardians or patients whose photo was used in this research.
: Ahmed Nawar, Omar Mohamed Nouh, Ahmed Samy Saad and Laila Ahmed Aboul Nasr declare no competing interests.
