Khalil, Mona
Azouz, Hanan Galal
Ahmed, Shwikar AbdelSalam
Gad, Hala Ali
Omar, Omneya Magdy http://orcid.org/0000-0003-1967-8893
Article History
Received: 3 April 2020
Accepted: 12 June 2020
First Online: 30 June 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Written informed consent was obtained from the parents.
: All procedures completed in the study involving human participants were in agreement with the ethical standards of the institutional research committee (Medical Research Ethics Committee of Alexandria Faculty of Medicine, Egypt) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.