Received: 30 December 2019
Accepted: 5 May 2020
First Online: 23 June 2020
Ethics approval and consent to participate
: All study procedures were conducted in accordance with the Declaration of Helsinki and were approved by the National Cancer Institute ethics committee/Cairo University, Egypt. The Ethics committee reference number in the “Ethics Approval and Consent to Participate” is (201920003.2P). All patients included in this study gave us verbal consent to participate and were all adults, so no parental consent was taken
: All patients included in this research gave informed consent to publish the data contained within this study.
: The authors declare that they have no competing interests.