1. Department of Pediatric Hematology/Oncology, Children’s Cancer Hospital Egypt 57357 (CCHE), 1 Seket El-Emam, Sayeda Zeinab, Cairo 11441, Egypt
2. Departmrent of Surgical Pathology, Children’s Cancer Hospital Egypt 57357 (CCHE), 1 Seket El-Emam, Sayeda Zeinab, Cairo 11441, Egypt
3. Department of Surgery, Children’s Cancer Hospital Egypt 57357 (CCHE), 1 Seket El-Emam, Sayeda Zeinab, Cairo 11441, Egypt
4. Department of Radiotherapy, Children’s Cancer Hospital Egypt 57357 (CCHE), 1 Seket El-Emam, Sayeda Zeinab, Cairo 11441, Egypt
5. Department of Radiodiagnosis, Children’s Cancer Hospital Egypt 57357 (CCHE), 1 Seket El-Emam, Sayeda Zeinab, Cairo 11441, Egypt
6. Department of Research, Children’s Cancer Hospital Egypt 57357 (CCHE), 1 Seket El-Emam, Sayeda Zeinab, Cairo 11441, Egypt