Author contributions: Wael Mohialddin Doush was responsible for original manuscript writing, editing, supervision, and critical revision of contents. Wael Mohialddin Doush, Elfatih Yousif Abdelrahim, and Khatab M. Adam were responsible for data collection, data analysis, and manuscript design. Wael Mohialddin Doush and Muataz S. Abdelaziz were responsible for manuscript drafting and revision. All authors read and gave the final approval of the manuscript to be published. Financial support: No financial support or sponsorship was available for this study from any institution.
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