Asfour, Hosam Y.
Khalil, Sahar A.
Zakaria, Al-Shimaa
Ashraf, El-Sayed
Zekri, Wael
Article History
Received: 19 February 2020
Accepted: 27 May 2020
First Online: 14 August 2020
Ethics approval and consent to participate
: The study was approved by the ethical and scientific committees at the National Cancer Institute, Cairo University, IRB office, National Cancer Institute, Fom El Khalig, Cairo 11796, Egypt (Tel, and Fax: + (202) 2532 82 86; Email:ExternalRef removed), IRB approval number: 201819007.4.Written consents have been obtained from patients’ guardians after full explanation of the purpose and nature of all procedures used, before surgical procedures, or receiving chemotherapy or radiotherapy. The consent included the potential usage of patients’ data in research projects without compromising patients’ confidentiality. Being a retrospective study, IRB approved using the data upon the initial consents, with no need for new consents.
: Not applicable
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.