1. Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
2. College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
3. Department of Medical Biochemistry, College of Medicine, Al-Azhar University, Assiut Branch, Assiut, Egypt
4. Prince Sattam Bin Abdulaziz University Hospital, Al-Kharj, Saudi Arabia
5. Department of Medical Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt
6. Department of Medical Physiology, Medicine program, Batterjee Medical College, Jeddah, Saudi Arabia.