1. Department of Dermatology; College of Medicine; Qassim University; Buraydah Kingdom of Saudi Arabia
2. Department of Medical Microbiology and Immunology; Faculty of Medicine; Assiut University; Egypt
3. Department of Medical Microbiology and Immunology; Faculty of Medicine; Cairo University; Cairo Egypt
4. Department of Dermatology, Najran General Hospital; Najran Kingdom of Saudi Arabia