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Article History

Received: 30 October 2019

Accepted: 14 July 2020

First Online: 20 September 2020

Ethics approval and consent to participate

: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional research committee in Benha Faculty of Medicine; the reference number is not applicable.

: Informed consent was obtained from all individual participants included in the study.

: Not applicable.

: The authors declare that they have no competing interest.