(5)Dr. Hozifa Mohammed Ali Abd-Elmaged
(1) Orthopedic surgeon, Assistant professor, Alneelain University, Khartoum, Sudan.
(2) Al-Zaiem Al-Azhari University, Khartoum north, Khartoum, Sudan.
(3) Orthopedic Registrar Sudan Medical Specialization Board.
(4) Assistant professor, Alneelain University,Khartoum-Sudan
(5) Assistant Prof of orthopedic, Fellow of orthopedic oncology, department of orthopedic Al-Zaiem Al-Azhari University– Khartoum, Sudan.