1. Department of Neurosurgery, Carilion Clinic, Roanoke, VA, USA
2. Department of Neurosurgery, University of Missouri, Columbia, MO, USA
3. Department of Radiology, New England Center for Stroke Research, University of Massachusetts Chan Medical School, Worcester, MA, USA
4. Department of Neurointerventional Radiology, Fort Saunders Regional Medical Center, Knoxville, TN, USA
5. Department of Neurosurgery, Lyerly Neurosurgery, Baptist Neurological Institute, Jacksonville, FL, USA
6. Baptist Medical Center Jacksonville, FL, USA
7. Department of Radiology, Neurology, Neurological Surgery, Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
8. Department of Neurointerventional Surgery, Swedish Medical Center, Denver, CO, USA
9. Radiology Imaging Associates, RIA Neurovascular Clinic, Englewood, CO, USA
10. Department of Radiology, Carilion Clinic, Roanoke, VA, USA