1. The Molecular Pathology Research Group, German University in Cairo, Cairo, Egypt
2. Molecular Biology Department, Institute of Genetic Engineering and Biotechnology, Menofia University, Sadat City, Egypt
3. Virology and immunology Unit, Cancer Biology Department, National Cancer Institute, Cairo University, Cairo, Egypt
4. Department of Tropical Medicine and Hepatology, Cairo University, Cairo, Egypt
5. Department of Medical Oncology, National Cancer Institute, Cairo University, Cairo, Egypt