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Article History

Received: 29 October 2019

Accepted: 13 December 2019

First Online: 7 April 2020

Ethics approval and consent to participate

: This study was conducted in Alexandria Main University Hospital under protocol approved by Research Ethics Committee of Faculty of Medicine. Written consent was obtained from all patients before any intervention with explanation of all benefits and complication of any intervention.The Ethics Committee of the Faculty of Medicine, Alexandria University is the constitution and operated according to ICH GCP guidelines and applicable local and institutional regulations and guidelines which govern EC operation.Place of Ethics Committee approval: Faculty of Medicine, Alexandria UniversityIRB NO: 00007555FWA NO: 00018699Type of review: full board reviewSubject of research: human adult males and femalesName, Email: ExternalRef removedName of the department: Department of NeurosurgeryProf. DR. Maha GhanemChairman of Ethics CommitteeAddress: Faculty of Medicine Aexandria University, 17 Champollion Street, El Messalah, Alexandria, EgyptEmail: ExternalRef removed

: Consent to publish was obtained from any individual person's data in any form (including individual details, images, or videos).

: The authors have no conflicts of interest to declare.