Received: 26 July 2020
Accepted: 27 October 2020
First Online: 13 November 2020
Ethics approval and consent to participate
: Approval of Research Ethical Committee of Faculty of Medicine, Ain Shams University was obtained (code number: FMASU MD 46/2018), and informed written consent was obtained from patients.
: Not applicable.
: The authors declare that they have no competing interests.