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Authors
Kishk, Nirmeen
Mourad, Husam
Ibrahim, Sahar
Shamloul, Reham http://orcid.org/0000-0002-4628-4980
Al-Azazi, Aiman
Shalaby, Nevin
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Article History
Received: 5 January 2019
Accepted: 22 April 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: All procedures performed in the study were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments. The study was ethically approved by the research committee and reviewed by the faculty of medicine Cairo University board on 18 Nov. 2013. Written informed consent was obtained from all participants involved in this investigation prior to the conduct of any study-related activities.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
