1. Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University in Al-Kharj, Saudi Arabia
2. Department of Histology and Cytology, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
3. Department of Medical Physiology, Faculty of Medicine, Cairo University, Egypt
4. Medicine Program, Batterjee Medical College, Jeddah, Saudi Arabia
5. Department of Medical Biochemistry, Faculty of Medicine, Al-Azhar University, Assiut, Egypt
6. Faculty of Medicine, Prince Sattam Bin Abdulaziz University in AlKharj, Saudi Arabia
7. Department of Pathology, Faculty of Medicine, Helwan University, Cairo, Egypt
8. Pathology lab., Prince Sattam bin Abdulaziz University Hospital in Al-Kharj, Saudi Arabia