1. High Altitude Research Center, Taif University, Taif, Saudi Arabia.
2. Department of Microbiology, College of Medicine, Taif University, Taif, Saudi Arabia.
3. Immunology Section, Department of Zoology, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt.
4. Department of Pediatrics, College of Medicine, Taif University, Taif, Saudi Arabia.
5. Diabetic Center, Prince Mansour Military Hospital, Taif, Saudi Arabia.
6. Department of Pediatrics, King Abdul Aziz Specialist Hospital, Taif, Saudi Arabia.
7. Department of Pediatrics, College of Medicine, Umm Alqura University, Mecca, Saudi Arabia.
8. Department of Basic Medical Sciences, College of Medicine, KSAU-HS, Saudi Arabia.
9. Department of Microbiology, Faculty of Science and Technology, Al-Neelain University, Sudan.