1. Department of Pathology, King Fahd Hospital of University, College of Medicine, Imam Abdulrahman Bin Faisal University, Khobar, Saudi Arabia
2. Department of Radiodiagnosis, King Fahd Hospital of University, College of Medicine, Imam Abdulrahman Bin Faisal University, Khobar, Saudi Arabia
3. Department of Neurosurgery, King Fahd Hospital of University, College of Medicine, Imam Abdulrahman Bin Faisal University, Khobar, Saudi Arabia