Received: 11 July 2020
Accepted: 15 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: This research involved human subjects and was performed in accordance with the Declaration of Helsinki and approved by Cairo University Ethical Review Committee (Reference number is not available). Written informed consent was obtained from all patients that included agreement on the collection of his/her data.
: Not applicable,
: The authors declare that they have no competing interests.