1. Department of Pathology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
2. Department of Family and Community Medicine, College of Medicine, University of Hail, Hail, Saudi Arabia
3. Department of Physiology, College of Medicine, University of Hail, Hail, Saudi Arabia
4. Department of Pharmacology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
5. Intern, College of Medicine, King Faisal University, Riyadh, Saudi Arabia
6. Department of Medicine and Nephrology, College of Medicine, King Saud University, Riyadh, Saudi Arabia