1. Department of Neurosurgery, University of Missouri, Columbia, Missouri, USA;
2. Medical University of South Carolina, Charleston, South Carolina, USA
3. Department of Neurology, Valley Baptist—University of Texas Rio Grande Valley, Harlingen, Texas, USA;
4. Department of Clinical Science, University of Houston, HCA Houston, Houston, Texas, USA;
5. Department of Neurosurgery, Baylor College of Medicine, Houston, Texas, USA;
6. Department of Neurosurgery, Hospital of the University of Pennsylvania, Penn Medicine, Philadelphia, Pennsylvania, USA;
7. Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA;
8. Department of Neurosurgery, University of Buffalo, Buffalo, New York, USA;
9. Department of Neurosurgery, University of Utah, Salt Lake City, Utah, USA;
10. Zeenat Qureshi Stroke Institute and Department of Neurology, University of Missouri, Columbia, Missouri, USA;