1 Hepatology and Tropical Medicine Department, National Hepatology and Tropical Medicine Research Institute, Cairo, Egypt; Ministry of Health and Population, Cairo, Egypt.
2 Hepatology and Gastroenterology Department, National Liver Institute, Menoufia University, Shebeen El-Kom 32511, Egypt; Ministry of Health and Population, Cairo, Egypt. Electronic address: [email protected].
3 Department of Public Health and Community Medicine, Faculty of Medicine, Cairo University, Giza, Egypt; Ministry of Health and Population, Cairo, Egypt.
4 Medical Research Division, National Research Center, Cairo, Egypt; Ministry of Health and Population, Cairo, Egypt.
5 Ministry of Health and Population, Cairo, Egypt.