Ahmed, Abeer https://orcid.org/0000-0002-8251-7147
Lotfy, Abdelrahman
Elkholy, Jehan
Abdelhamid, Bassant
Ollaek, Mohamed
Article History
Received: 16 February 2021
Accepted: 19 April 2021
First Online: 23 April 2021
Declarations
:
: None.
: The study has been approved by the Research Ethics Committee of Kasr-Alainy Faculty of Medicine, Cairo University, (email: kasralainirec@gmail.com<u>)</u> (N-110-2018).
: Written informed consent was obtained from the parents of all children in the study.