1. Department of Physiology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt.
2. Medical Biochemistry Department, Faculty of Medicine, Suez Canal University, Ismailia, Egypt.
3. Department of Pharmacology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt.
4. Department of Pharmacology and Toxicology, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt.