1. Department of Neurology, Houston Methodist Hospital, Houston, TX, USA
2. Department of Neurosurgery, University of Missouri, Columbia, MO, USA
3. Department of Neurosurgery, University of Illinois – Chicago, Chicago, IL, USA
4. Department of Neurology, Valley Baptist-University of Texas Rio Grande Valley, Harlingen, TX, USA
5. Department of Neurosurgery, Baylor College of Medicine, Houston, TX, USA
6. Department of Neurosurgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
7. Dept of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, USA
8. Department of Neurosurgery, University of Buffalo, Buffalo, NY, USA
9. Department of Neurosurgery, University of Utah, Salt Lake City, UT, USA
10. Zeenat Qureshi Stroke Institute and Department of Neurology, University of Missouri, Columbia, MO, USA