Received: 9 September 2019
Accepted: 4 May 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: This study has been performed in accordance with ethical standards. Faculty of Medicine, Ain Shams University Ethical Committee approval was taken before starting the study (reference number FWA000017585). Written informed consent was obtained from all participants before enrollment in the study.
: All listed authors who participated in this work have accepted to publish this work in the <i>Egyptian Liver Journal</i>.
: The corresponding author conforms on behalf of all authors that there have been no involvements that might raise the question of bias in the work reported or in the conclusions stated.