Received: 19 March 2021
Accepted: 21 July 2021
First Online: 3 August 2021
: Our study was approved by ethical and scientific committee—National Hepatology and Tropical Medicine Research Institute, Surgical Department, Cairo, Egypt, Ref. No. ITH 00105. Written informed consent form was obtained from every patient after detailed explanation of the study.
: A consent form is obtained from each patient, indicating that the procedures and data can be used in publications.
: The authors declare that they have no competing interests.