1. Medical Biochemistry Department, Mansoura University, Mansoura, Egypt
2. Internal Medicine Department, Nephrology and Dialysis Unit, Mansoura University, Mansoura, Egypt
3. Medical Microbiology and Immunology Department, Mansoura University, Mansoura, Egypt
4. Medical Microbiology and Immunology Department, Aswan University, Aswan, Egypt
5. Clinical Pathology Department, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
6. Clinical Pathology Department, Faculty of Medicine, Aswan University, Aswan, Egypt
7. Clinical Pathology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt