Abed El Rahman, Shymaa Kamal El Din
Elshafy, Sanaa Sayed Abd
Samra, Mohamed
Ali, Hala Mohammed
Mohamed, Rabab Afifi http://orcid.org/0000-0002-8000-7119
Article History
Received: 2 November 2020
Accepted: 24 March 2021
First Online: 17 May 2021
Declarations
:
: The study was conducted after the approval of the Institutional Review Board of the National Cancer institute (approval date 3 March 2015; approval no. 2010014035.3), which conforms with the Code of Ethics of the World Medical Association (Declaration of Helsinki), printed in the British Medical Journal (18 July 1964).We described the aim of this research to subjects’ parents or responsible relative shared in this research before enrollment and they gave written consent but refuse to write consent, and ethics committee approved this procedure.
: Not applicable
: The authors do not have any conflict of interest