Received: 9 March 2020
Accepted: 18 June 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: This study was approved by the IRB of Surgery Department, Faculty of Medicine, Ain Shams University with reference number 00006379.A written consent was obtained from a parent or guardian for participants under 16 years old. A written consent was obtained directly from patients if they were over 16 years old.
: I give my consent and all authors’ consent for publication in the <i>Annals of Pediatric Surgery Journal</i>
: There was no conflict of interest in this project.