Received: 15 June 2019
Accepted: 26 July 2019
First Online: 7 September 2019
Ethics approval and consent to participate
: Approval for this study was obtained from the Research Ethics Committee of Alexandria Faculty of Medicine. All study procedures were carried out in accordance with the Declaration of Helsinki regarding research involving human subjects.
: 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 interests.