1. Department of Biochemistry and Molecular Biology, National Hepatology and Tropical Medicine Research institute, Cairo, Egypt;
2. Department of Anatomy and Embryology, Faculty of Medicine, Cairo University, New Giza University, Cairo, Egypt;
3. Department of Microbiology, El Glaa Teaching Hospital, Cairo, Egypt;
4. Department of Internal Medicine, Faculty of Medicine, Ain Shams University, Cairo, Egypt
5. Department of Medical Microbiology and Immunology, Faculty of Medicine, Cairo University, New Giza University, Cairo, Egypt;
6. Department of Clinical Pathology, El Sahel Teaching Hospital, Cairo, Egypt;
7. Department of Biochemistry, Faculty of Pharmacy (Girls), Al Azhar University,Cairo, Egypt;