Attia, Tamer M.
Hamdan, Ahmad M. http://orcid.org/0000-0002-5148-2041
Article History
Received: 26 October 2020
Accepted: 6 January 2021
First Online: 10 February 2021
Ethics approval and consent to participate
: This study was approved by the institutional review board of Menoufia Faculty of Medicine with approval number 7-2020 ENT. The participants of the study provided written consent before participation in the study.
: Not applicable
: No potential competing interests relevant to this article were reported for any of the authors.