1. Cytogenetics and Molecular Biology Laboratory Nasser Institute for Research and Treatment Cairo Egypt
2. Department of Biochemistry Faculty of Science Ain Shams University Cairo Egypt
3. Department of Clinical Pathology National Cancer Institute Cairo University Cairo Egypt
4. Department of Molecular Biology Genetic Engineering and Biotechnology Research Institute Sadat City University Menofia Egypt
5. Department of Pathology Biochemistry Unit College of Medicine Qassim University Buraydah, Qassim Saudi Arabia