Eltelety, Ahmad Mohamed
Nassar, Ahmed Amin http://orcid.org/0000-0002-6944-6479
Article History
Received: 19 November 2021
Accepted: 21 February 2022
First Online: 7 March 2022
Declarations
:
: This study involved human subjects. All the procedures that involved human participants were performed in accordance with standards set by the Swedish Research Ethical Review Authority and with the 1964 Helsinki Declaration and its later amendments. This study was approved by the ethical committee for scientific research at the Otolaryngology Department, Cairo University, and the approval carries the number: 21802R. Consent to participate is not required since it is a retrospective study.
: Not applicable as our manuscript does not contain any individual person’s data in any form (including individual details, images, or videos).
: The authors declare that they have no competing interests.