1. Department of Pharmacology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt.
2. Department of Physiology, Faculty of Medicine, King Khalid University, Abha, Kingdom of Saudi Arabia.
3. Department of Physiology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt.
4. Department of Medical Biochemistry and Molecular Biology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt.
5. Department of Pathology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt.