Received: 26 August 2020
Accepted: 11 May 2021
First Online: 6 July 2021
: The study was approved by the Research Ethics Committee of AFM, University of Alexandria (the committee’s reference number: not applicable). An informed written consent was obtained from each participant at the beginning of the study after explanation of the objectives of the study, procedures, and types of information to be obtained.
: Not applicable.
: Authors declare no conflicts of interest. The research was not supported by any commercial source; no financial relationships with any organizations that might have an interest in the submitted work.