Received: 2 July 2019
Accepted: 30 August 2019
First Online: 7 October 2019
Ethics approval and consent to participate
: This study was approved by the Research Ethics Committee of the Faculty of Medicine at Tanta University in Egypt on 23 December 2017 (reference number of approval: 319962/12/17). 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 grant the publisher the consent for publication of this work.
: The authors declare that they have no competing interests.