Received: 19 July 2019
Accepted: 1 August 2019
First Online: 7 September 2019
Change Date: 29 October 2019
Change Type: Correction
Change Details: Following publication of the original article , the authors reported that the family name of Mohamed El Kassas was incorrectly published as Mohamed ElKassas.
Ethics approval and consent to participate
: The current study was conducted in accordance with Good Clinical Practice guidelines laid down in Helsinki Declaration 1975 and was approved by ethical committee of the National Hepatology and Tropical Medicine Research Institute in Cairo. An informed written consent was obtained from all participants during the enrolment phase before the start of any treatment or data collection.
: Not applicable.
: The authors declare that they have no competing interests.