Received: 25 October 2020
Accepted: 13 December 2020
First Online: 1 January 2021
Ethics approval and consent to participate
: The present study was conducted in agreement with the guidelines of the Declaration of Helsinki. A written consent was obtained from each participant sharing in this study. The institutional research board of faculty of medicine, Mansoura University, approved this study, code: MS/16.06.46.
: All patients included in this research gave written informed consent to publish the data contained within this study. If the patients were 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.
: All authors declare that they have no conflict of interest.