1. Medical Biochemistry Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
2. Tropical Medicine and Hepatology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
3. Ministry of Health, Sherbeen General Hospital, Sherbeen city, Egypt
4. Biochemistry department, Faculty of Science, Mansoura University, Mansoura, Egypt
5. Microbiology Department, Faculty of Science, Mansoura University, Mansoura, Egypt
6. Public Health Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
7. Tropical Medicine and Hepatology Department, Faculty of Medicine, Cairo University, Cairo, Egypt