Text and Data Mining valid from 2018-08-28
Received: 19 November 2017
Accepted: 12 August 2018
First Online: 28 August 2018
Ethics approval and consent to participate
: The study was approved by the Research Ethical Committees in the Faculty of Medicine, Cairo University (Feb 2015). All patients signed a written consent before the surgical operation indicating their acceptance to use their specimens in future research.
: Not applicable.
: The authors declare that they have no competing interests.
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