1. Department of Physiology, College of Medicine, King Khalid University, Abha, Saudi Arabia;
2. Department of Clinical Biochemistry, College of Medicine, King Khalid University, Abha, Saudi Arabia;
3. Department of Medical Biochemistry, Faculty of Medicine, Mansoura University, Mansoura, Egypt;
4. Department of Pathology, College of Medicine, King Khalid University, Abha, Saudi Arabia;
5. Department of Microbiology, College of Medicine, King Khalid University, Abha, Saudi Arabia;
6. Department of Medical Pharmacology, Kasr Al-Aini Faculty of Medicine, Cairo University, Cairo, Egypt;
7. Department of Physiology, Kasr Al-Aini Faculty of Medicine, Cairo University, Cairo, Egypt