1. Zeenat Qureshi Stroke Institute, Department of Neurology, University of Missouri, Columbia, MO, USA
2. Department of Neurology, University of Missouri, Columbia, MO, USA
3. Department of Neurology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
4. Department of Neurology, University of South Dakota, Sioux Falls, SD, USA
5. College of Medicine, University of Baghdad, Baghdad, Iraq
6. Department of Radiology, School of Medicine, University of Virginia, Charlottesville, VA, USA
7. Department of Neurosurgery, University of Missouri, Columbia, MO, USA
8. Department of Neurosurgery, Hamad General Hospital, Doha, Qatar