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Authors
Elkhatib, Elsayed https://orcid.org/0000-0002-0962-9230
Mahdy, Ahmed
Mahmoud, Ayman
Moharem, Mohamed
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Funding
Funding for this research was provided by:
This work was financially supported by Alexandria University, Vice Deanship of research
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Article History
Received: 20 June 2018
Accepted: 12 December 2019
First Online: 3 January 2020
Compliance with ethical standards
:
: Not applicable.
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
