Elsayed, Ahmed
Sakr, Sameh
Article History
Received: 29 July 2018
Accepted: 16 January 2019
First Online: 29 January 2019
Ethics approval and consent to participate
: -The name of the ethics committee that approved this study: Neurosurgery ethical review committee, Faculty of Medicine, Cairo University-the committee’s date: 25 July 2012All participants had signed a written consent to participate in the study after explaining the details, benefits as well as risks to them.
: Not applicable
: The authors declare that they have no competing interests.
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