1. Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine Fayoum University Fayoum Egypt
2. Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine Cairo University Cairo Egypt
3. Department of Internal Medicine, Faculty of Medicine Fayoum University Fayoum Egypt
4. Department of Medical Microbiology and Immunology, Faculty of Medicine Fayoum University Fayoum Egypt
5. Department Clinical and Chemical Pathology, Faculty of Medicine Fayoum University Fayoum Egypt
6. Department of Tropical Medicine, Faculty of Medicine Fayoum University Fayoum Egypt
7. Department of Medical Oncology Zagazig University Zagazig Egypt
8. Department of Physiology Zagazig University Zagazig Egypt