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. Hepatology Department National Liver Institute Menoufia University Shebeen Elkom Egypt
4. Tropical Medicine Department Faculty of Medicine Port Said University Port Said Egypt
5. Biostatistics and Cancer Epidemiology Department South Egypt Cancer InstituteAssiut University Asyut Egypt
6. Storr Liver Centre Westmead Institute for Medical Research Westmead Hospital and University of Sydney Sydney NSW Australia