1. Microbiology & Immunology, Armed Forces College of Medicine (AFCM), Cairo, Egypt
2. Oncology Diagnostic Unit, Medical Biochemistry & Molecular Biology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
3. Armed Forces College of Medicine, Cairo, Egypt
4. Faculty of Medicine, Alazhar University, Cairo, Egypt
5. Physical Medicine, Armed Forces College of Medicine, Cairo, Egypt
6. Clinical Oncology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt