Ghaly, Ahmed Sami
Tobar, Salwa Mohamed Salah
El-Hadidy, Mohamed Adel
Elwasify, Mahmoud
Article History
Received: 8 June 2020
Accepted: 10 September 2020
First Online: 20 November 2020
Ethics approval and consent to participate
: In accordance with the Declaration of Helsinki, the study was carried out after the approval of the Faculty of Medicine Mansoura University ethical Committee (no reference number available). Participation was on a voluntary basis, and written informed consent was obtained from parents, after educating them about the aim and methods of the study. Data sheets were stored in a locked cabinet in the work place and electronically stored in a password-protected workplace PC, using an identification number and without any identifying information.
: As a corresponding author, I confirm that the manuscript has been read and approved for submission by all the named authors.
: There is no conflict of interest associated with this publication.