Received: 1 February 2021
Accepted: 6 July 2021
First Online: 19 July 2021
: The study was approved by the Institutional Review Board and the Ethical Committee of High Institute of Public Health in Egypt, the committee’s reference number is not applicable. Anonymity and confidentiality of the participants’ data was ensured and maintained. Data were collected using google form, so there was no need for informed consent as the participants were free to submit the form.
: Not applicable.
: The author declares that there is no competing interests.