Elsheikh, Mohamed
Article History
Received: 15 October 2019
Accepted: 24 February 2020
First Online: 8 May 2020
Ethics approval and consent to participate
: The approval of the patients is confirmed orally and in writing according to the standards of the Ethics Committee at the Faculty of Medicine, Al-Azhar University, and to familiarize them with the study methodology and their right to withdraw at any time.
: <b>Not applicable</b>
: None declared