1. Endemic medicine department, Faculty of Medicine, Cairo University, Cairo 11652, Egypt
2. Department of psychiatry, Faculty of Medicine, Cairo University, Cairo 11652, Egypt
3. Department of internal medicine, Al-Azhar University, Cairo 11651, Egypt
4. Medical Research Division, National Research Center, Giza 12622, Egypt
5. National Committee for control of viral hepatitis, Ministry of Health and Population, 11652, Egypt
6. Department of hepatology, gastroenterology and infectious diseases, Al-Azhar University, Cairo 11651, Egypt
7. Department of Hepatology, National Liver Institute, Menoufia University, Menofyia 32511, Egypt
8. Department of Hepatology, National Hepatology and Tropical Medicine Research Institute, Cairo 11652, Egypt