1. Department of Dermatology, Faculty of Medicine, Assiut University, Assiut, Egypt
2. Department of Neurology and Psychiatry, Faculty of Medicine, Assiut University, Assiut, Egypt
3. Department of Medical Microbiology and Immunology, Faculty of Medicine, Assiut University, Assiut, Egypt
4. Department of clinical pathology, Faculty of Medicine, Assiut University, Assiut, Egypt
5. Department of Medical Laboratory Technology, Faculty of Technology of Applied Health Sciences, Badr University Assiut (BUA), Assiut, Egypt