1. Hepatology, Gastroenterology and Infectious Diseases Department, Faculty of MedicineKafrelsheikh University Kafrelsheikh Egypt
2. Tropical Medicine Department, Faculty of MedicineZagazig University Zagazig Egypt
3. Tropical Medicine, Hepatology and Gastroenterology DepartmentShebin Elkom Teaching Hospital Shebinelkom Egypt
4. Department of General Surgery, Faculty of MedicineMansoura University Mansoura Egypt
5. Department of Pathology, Faculty of MedicineMansoura University Mansoura Egypt