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Authors
Mohamed, Manal Sabry
Youssef, Tarek Mohammed
Abdullah, Esraa Ebrahim
Ahmed, Ahmed Elmetwally https://orcid.org/0000-0003-1190-4112
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Article History
Received: 5 February 2021
Accepted: 14 July 2021
First Online: 21 September 2021
Declarations
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: All subjects involved in the study signed an informed consent to participate. The study was approved by the Ethical Review Board of Ain Shams University. The study protocol conforms to the ethical guidelines of the Declaration of Helsinki as reflected in a priori approval by the institution’s human research committee.
: Not applicable.
: All authors declare that they have no competing interests.
