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Authors
El Miedany, Y. https://orcid.org/0000-0002-4543-692X
El Gaafary, Maha
Youssef, Sally
El Aroussy, Nadia
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Article History
Received: 7 March 2017
Accepted: 13 March 2017
First Online: 5 April 2017
Compliance with ethical standards
: Local ethical and methodological protocols for approval of the study were followed. All patients who participated in the study signed an informed consent according to the Declaration of Helsinki (at the General Assembly in October 2008).
: None.
: The study was approved by the Ain Shams University Research Ethics Board.
