Moussa, Ahmad A.
Mahmoud, Mohamed E.
Yousef, Hosam A.
Article History
Received: 17 January 2018
Accepted: 5 August 2018
First Online: 17 September 2018
Ethics approval and consent to participate
: Research committee approval has been granted for this study by the Chairman of the Medical Ethics Committee, Prof. H. N. El Tallawy. Ethics committee approval number 17300201. Consent for participation was not needed as this is a retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.
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