1. Health Research Centre, College of Medicine, Jazan University, Jazan, Saudi Arabia
2. Family and Community Medicine Department, College of Medicine, Jazan University, Jazan, Saudi Arabia
3. Department of Pathology, College of Medicine, Jazan University, Jazan, Saudi Arabia
4. Department of Internal Medicine, College of Medicine, Jazan University, Jazan, Saudi Arabia
5. Surgical Department, College of Medicine, Jazan University, Jazan, Saudi Arabia.