1. Department of Pathology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
2. Department of Pathology, Faculty of Medicine, New Giza University, Cairo, Egypt
3. Department of Anatomy and Histology, College of Medicine, Qassim University, Saudi Arabia and Department of Anatomy and Embryology, Faculty of Medicine, Cairo University, Cairo, Egypt
4. Department of Physiology, Faculty of Medicine, Ain Shams and Galala Universities, Cairo, Egypt
5. Department of Biochemistry and Molecular Biology, Faculty of Medicine, Cairo University, Cairo, Egypt
6. Department of Medical Microbiology and Immunology, Faculty of Medicine, Cairo University, Cairo, Egypt
7. Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Cairo University, and Department of Basic Medical Science, Faculty of Medicine, King Salman International University, Cairo, Egypt