1. Department of Pediatric Oncology, National Cancer Institute, Cairo University Children Cancer Hospital Egypt (CCHE) Cairo Egypt
2. Department of Clinical Microbiology Children Cancer Hospital Egypt (CCHE) Cairo Egypt
3. Department of Clinical Pharmacology Children Cancer Hospital Egypt (CCHE) Cairo Egypt
4. Department of Radiodiagnosis Children Cancer Hospital Egypt (CCHE) Cairo Egypt
5. Department of Clinical Research Children Cancer Hospital Egypt (CCHE) Cairo Egypt
6. Department of Surgical Oncology Children Cancer Hospital Egypt (CCHE) Cairo Egypt