AB: Conceptualization, Methodology, Formal analysis, Investigation, Visualization, Writing—original draft. AHMK: Conceptualization, Methodology, Formal analysis, Supervision, Validation, Writing—review & editing. Both authors read and approved the final manuscript.
Conflicts of interest
Both authors confirm that they have no competing interest to disclose.
Ethical approval
This questionnaire and methodology were approved by the Ethics Committee of Faculty of Dentistry, Cairo University, Cairo, Egypt, approval number: 21/6/20.
Consent to participate
Informed consent to participate in the study was obtained from all participants.
Consent to publication
Not applicable.
Availability of data and materials
The data is available from the corresponding author upon reasonable request.
Funding
This research did not receive financial support from any funding agencies.
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