Article History
Received: 1 August 2019
Accepted: 13 January 2020
First Online: 22 January 2020
Ethics approval and consent to participate
: A written informed consent was obtained from all patients included in this study to publish this study data. 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 the patients included in this study gave written informed consent to publish the data contained within this study.
: The authors declare that they have no competing interests.