1. Cancer Biology (Unit of Biochemistry), National Cancer Institute, Cairo University, Cairo
2. Medical Oncology, National Cancer Institute, Cairo University, Cairo
3. Biology Department, Faculty of Science, King Abdul Aziz University, Riyadh, Saudi Arabia
4. Camel Center Research, Marsa Matroh, Faculty of Medicine, Menofia University, Shebin Al-kom, Egypt
5. Internal Medicine Department, Faculty of Medicine, Menofia University, Shebin Al-kom, Egypt
6. Biostatistical, National Cancer Institute, Cairo University, Cairo
7. Surgical Oncology Departments, National Cancer Institute, Cairo University, Cairo