Received: 23 June 2019
Accepted: 16 September 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: The study was approved by our institution’s ethics committee (Mansoura Faculty of Medicine Institutional Research Board) (ethics committee reference number is MS/17. 02. 25), and all patients gave their written informed consent before inclusion in the study.
: 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.