1. Department of Pediatrics, College of Medicine, Najran University, Najran, Saudi Arabia
2. Department of Microbiology, College of Medicine, Najran University, Najran, Saudi Arabia
3. Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
4. Department of Family and Community Medicine, College of Medicine, Najran University, Najran, Saudi Arabia
5. Department of Obstetrics and Gynecology, College of Medicine, Najran University, Najran, Saudi Arabia
6. Department of Microbiology, College of Medicine, Zagazig University, Zagazig, Egypt