1. Department of Medical Biochemistry and Molecular Biology Faculty of Medicine Fayoum University Fayoum Egypt
2. Department of Rheumatology and Rehabilitation Faculty of Medicine Fayoum University Fayoum Egypt
3. Department of Biochemistry and molecular biology Faculty of Medicine Cairo University Cairo Egypt
4. Department of Internal medicine Faculty of Medicine Fayoum University Fayoum Egypt
5. Department of clinical pathology Faculty of Medicine Fayoum University Fayoum Egypt
6. Department of Medical microbiology and immunology Faculty of Medicine Fayoum University Fayoum Egypt
7. Department of Medical physiology Faculty of Medicine Fayoum University Fayoum Egypt
8. Department of Internal medicine Faculty of Medicine Cairo University Cairo Egypt