Received: 2 September 2022
Accepted: 12 January 2023
First Online: 23 January 2023
: Before initiating this study, the objectives of ethics in research were ensured by obtaining ethical clearance from the research committee (EDC) SMSB. Permission was obtained from the administrative authorities otolaryngology departments Khartoum state. Oral informed consent was obtained from the study participants after assuring them of the ethical aspects regarding the confidentiality, privacy, and consent of the data. Participation is voluntary, with the right of withdrawal at any stage.
: Not applicable.
: The authors declare they have no competing interests.