1 Department of Neurosurgery, Neurosurgery Teaching Hospital, Baghdad, Iraq. Electronic address: [email protected].
2 Department of Neurosurgery, King Fahad Hospital of the University, Imam Abdulrahman Alfaisal University, Dammam, Saudi Arabia; Division of Neurosurgery, Faculty of Health Sciences, University of Bamenda, Bambili, Cameroon.
3 Division of Neurosurgery, Faculty of Health Sciences, University of Bamenda, Bambili, Cameroon.
4 Department of Neurosurgery, Neurosurgery Teaching Hospital, Baghdad, Iraq.