1. Children's Cancer Hospital Egypt 57357 and Pediatric Dpt National Research Centre
2. CCHE: Children's Cancer Hospital Egypt 57357, Pediatric Oncology Dpt National Cancer Institute Cairo University
3. CCHE: Children's Cancer Hospital Egypt 57357, and Pathology Dpt National Cancer Institute, Cairo University
4. CCHE: Children's Cancer Hospital Egypt 57357 and Radiology Dpt, National Cancer Institute Cairo University
5. CCHE: Children's Cancer Hospital Egypt 57357
6. CCHE: Children's Cancer Hospital Egypt 57357, and Pediatric Oncology Dpt, National Cancer Institute Cairo University