Elsheikh, Mai
El Amrousy, Doaa
El-Mahdy, Heba
Dawoud, Heba
Harkan, Ahmed
El-Barky, Amany
Article History
Received: 17 August 2022
Revised: 13 March 2023
Accepted: 18 March 2023
First Online: 18 May 2023
Competing interests
: The authors declare no competing interests.
: Informed consent was obtained from the parents of all subjects of the study before enrollment.
: Local ethics committee of Faculty of Medicine, Tanta University approved the study. The study is in accordance with the ethical standards of institutional research committee and with the 1964 Helsinki declaration and its later amendments.