Received: 4 May 2020
Accepted: 13 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: Approval of research ethical committee of Faculty of Medicine, Ain-Shams University, was obtained (code number FMASU M D 49/2018) and informed consent was obtained from patients.
: Not applicable
: The authors declare that they have no competing interests.