1. Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Cairo University, Giza, Egypt.
2. Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Fayoum University, Fayoum, Egypt.
3. Department of Internal Medicine, Faculty of Medicine, Fayoum University, Fayoum, Egypt.
4. Department of Rheumatology and Rehabilitation, Faculty of Medicine, Fayoum University, Fayoum, Egypt.
5. Department of Clinical Pathology, and Faculty of Medicine, Fayoum University, Fayoum, Egypt.
6. Department of Medical Microbiology and Immunology, Faculty of Medicine, Fayoum University, Fayoum, Egypt.