1. Department of Medical Microbiology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
2. Department of Family and Community Medicine, College of Medicine, Qassim University, Buraidah, Saudi Arabia
3. Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
4. Department of Medical Biochemistry, College of Medicine, Qassim University, Buraidah, Saudi Arabia
5. Department of Nutrition and Food Sciences, Menoufia University, Shebin El-Kom, Egypt
6. Department of Family Medicine, College of Medicine, Qassim University, Unaizah, Saudi Arabia