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Article History

Received: 4 October 2019

Accepted: 23 December 2019

First Online: 3 January 2020

Ethics approval and consent to participate

: This study was approved by the Review Board of the Department of General Surgery, Faculty of Medicine, Tanta University, Egypt, on the 4th of March 2017. All patients included in this study gave written informed consent to participate in this research. If the patient was less than 16 years old or unconscious at the time of the study, written informed consent for their participation was given by their parent or legal guardian.

: All patients included in this research gave written informed consent to publish the data contained within this study. If the patient was less than 16 years old, deceased, or unconscious when consent for publication was requested, written informed consent for the publication of this data was given by their parent or legal guardian.

: The authors declare that they have no competing interest.