1. Tropical Medicine and Hepatology Department, Mansoura University, Mansoura, Egypt
2. Medical Biochemistry Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
3. Department of Community, Environmental and Occupational Medicine, Faculty of Medicine, Ain-Shams University, Cairo, Egypt
4. Department of Family and Community Medicine, Faculty of Medicine, Jazan University, Jazan, Saudi Arabia
5. Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
6. Internal Medicine Department, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
7. Endemic Medicine and Endemic Hepatogastroenterology Department, Faculty of Medicine, Cairo University, Cairo, Egypt