1. Department of Clinical Pathology, South Egypt Cancer Institute, Assiut, Egypt
2. Faculty of Medicine, Department of Clinical Pathology, Assiut University, Assiut, Egypt
3. Qena Faculty of Medicine, Department of Clinical and Chemical Pathology, South Valley University, Qena, Egypt
4. Faculty of Medicine, Department of Pediatrics, Assiut University, Assiut, Egypt
5. Faculty of Medicine, Department of Medical Microbiology and Immunology, Assiut University, Assiut, Egypt
6. Faculty of Pharmacy, Department of Microbiology, Cairo University, Cairo, Egypt.
7. Faculty of Nursing, Department of Community Health Nursing, Assiut University, Egypt