Text and Data Mining valid from 2018-09-12
Received: 23 January 2018
Accepted: 29 May 2018
First Online: 12 September 2018
Ethics approval and consent to participate
: The Ethics Committee at Zagazig University hospital approved the study at December 2015.Written informed consent was obtained from all patients.
: Not applicable
: The authors declare that they have no competing interests.
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