Article History
Received: 30 March 2018
Accepted: 23 October 2018
First Online: 5 November 2018
Ethics approval and consent to participate
: An approval from the research ethics committee of the faculty of medicine at Ain Shams University (reference number: FWA 00006444) was obtained on 12/9/2017.
: As the manuscript contains no identifiable human data, such consent was not applicable.
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