ElSadek, Ahmed
Gaber, Ahmed
Afifi, Hossam
Farag, Sherin
Salaheldien, Nouran
Article History
Received: 23 February 2018
Accepted: 4 December 2018
First Online: 6 January 2019
Ethics approval and consent to participate
: The study was approved by Ain-Shams University Ethical Committee in January 2016. Written informed consent was obtained from the patients participating in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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