Alanwary, Sherif
Bakir, Rana
El Hawary, Rabab
Hashim, Mohamed
Article History
Received: 4 June 2021
Accepted: 31 August 2022
First Online: 1 November 2022
Declarations
:
: The study was approved by the institutional committee (research ethics committee, REC) of Cairo university (I-240416) and was carried out in accordance with the Declaration of Helsinki.A written consent was obtained from all parents of the participants.
: Not applicable.
: The authors declare that they have no competing interests.