1. Neuroradiology Fellow, Neuroscience Institute, Hamad Medical Corporation, Doha, Qatar
2. Diagnostic Radiology Resident, Department of Clinical Imaging, Hamad Medical Corporation, Doha, Qatar
3. Neuroradiology Consultant, Neuroscience Institute, Hamad Medical Corporation, Doha, Qatar
4. Associate consultant neuroradiology, Neuroscience Institute, Hamad Medical Corporation, Doha, Qatar
5. Associate Professor of Radiology, Neuroradiology Section, University of Arkansas for Medical Sciences (UAMS), Little Rock, AR, USA