Ali, Ayman Ali Abd Elfattah
Elsharnouby, Mohammed Kamar
Khalil, Yaser Abd Elwahab
Allah, Rehab Nour Eldin Mohammad Gad
Khalifa, Mohammed Abd Elhakeem
Article History
Received: 16 July 2021
Accepted: 30 September 2021
First Online: 24 November 2021
Declarations
:
: Ethics approval and consent to participate: A written consent was taken from all participants according to the ethical committee of Menoufia University, the ethics committee reference number is 5/2020ENT/112. Informed written consent to participate in the study was provided by all participants’ parent or legal guardian in the case of children under 16.
: Not applicable
: The authors declare that they have no competing interests.