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Article History

Received: 16 October 2019

Accepted: 18 February 2020

First Online: 31 March 2020

Ethics approval and consent to participate

: No individual data was included in the study.This study was approved by the Research Ethics Committee of the Faculty of Medicine at Cairo University Kasr El-Aini in Egypt in March 2018, reference number I-110318.All patients included in this study gave verbal informed consent to participate in this research.If the patient was unconscious at the time of the study, written informed consent for their participation was given by their legal guardian.

: All patients included in this study gave written informed consent to publish the data contained within this study.If the patient was unconscious when consent for publication was requested, written informed consent for the publication was given by their legal guardian.

: The authors declare that they have no competing interests.