1. Department of Pharmacology and Toxicology, College of Pharmacy King Saud University Riyadh Saudi Arabia
2. Department of Pricing and Pharmacoeconomics, Drug Sector Saudi Food and Drug Authority Riyadh Saudi Arabia
3. Department of Biochemistry, College of Pharmacy Mansours University Mansoura Egypt
4. Department of Pathology, College of Medicine King Saud University Riyadh Saudi Arabia