1. Pharmacology Department, Faculty of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
2. Department of Pharmacology and Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
3. Department of Genetics and Cytology, National Research Center, Dokki, Egypt
4. Preparatory Year Deanship, King Saud University, Riyadh, Kingdom of Saudi Arabia
5. Biochemistry Department, Faculty of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia