Received: 19 July 2020
Accepted: 11 October 2020
First Online: 21 October 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 46/2018) and written informed consent from all participants was obtained.
: Written informed consent was obtained from all subjects or their legal surrogate.
: The authors declare that they have no competing interests.