1. Egyptian Liver Research Institute and Hospital (ELRIAH) Mansoura Egypt
2. Hepatology and Gastroenterology Unit Internal Medicine Department Faculty of Medicine Mansoura University Mansoura Egypt
3. Tropical Medicine Department Faculty of Medicine Port SaidUniversity Port Said Egypt
4. Biostatistics and Cancer Epidemiology Department South Egypt Cancer InstituteAssiut University Asyut Egypt
5. Storr Liver Centre Westmead Institute for Medical ResearchWestmead Hospital and University of Sydney Sydney NSW Australia