1. Department of Microbiology and Immunology, College of Medicine, Taif University , Taif, Saudi Arabia
2. Immunology Section, Department of Zoology, Faculty of Science, Beni-Suef University , Beni-Suef, Egypt
3. Department of Basic Medical Sciences, College of Medicine, KSAU-HS , Riyadh, Saudi Arabia
4. Department of Microbiology, Faculty of Science and Technology, Al-Neelain University , Khartoum, Sudan
5. Department of Pediatrics, Faculty of Medicine, Ain Shams University , Cairo, Egypt
6. Department of Community Medicine, College of Medicine, Taif University , Taif, Saudi Arabia
7. Department of Pathology, College of Medicine, Taif University , Taif, Saudi Arabia
8. Department of Pediatrics, College of Medicine, Taif University , Taif, Saudi Arabia
9. Diabetic Center , Department of Pediatrics, Prince Mansour Military Community Hospital, Taif, Saudi Arabia