1. From the Departments of Neurology (T.N.N., D.M.G.), Boston Medical Center, Boston University School of Medicine, MA
2. Radiology (T.N.N., M.A.), Boston Medical Center, Boston University School of Medicine, MA
3. Neurosurgery (T.N.N.), Boston Medical Center, Boston University School of Medicine, MA
4. Department of Neurology, Cooper University Health Care, Camden, NJ (T.G.J.)
5. Department of Neurology, Grady Memorial Hospital/Emory University, Atlanta, GA (R.G.N., D.C.H.)
6. Department of Neurology (A.P.J., S.N., S.H.-Y.C.), University of Pittsburgh Medical Center, PA
7. Department of Neurosurgery (S.H.-Y.C., A.P.J.), University of Pittsburgh Medical Center, PA
8. Department of Neuroscience, Valley Baptist Medical Center/University of Texas Rio Grande Valley (A.E.H.)
9. Department of Neurology, UT Southwestern Medical Center, Dallas, TX (R.N.)
10. Department of Neurology, UT Health McGovern Medical School, Houston, TX (S.A.S.)
11. Departments of Neurology, Neurosurgery, and Radiology, University of Iowa Hospitals and Clinics (S.O.-G.)
12. Department of Emergency Medicine, Washington University School of Medicine, St. Louis, MO (P.D.P.)
13. Departments of Neurology, Neurosurgery, and Radiology, University of Southern Alabama, Mobile, (S.M.C.)
14. Departments of Interventional Neuroradiology and Endovascular Neurosurgery, Miami Cardiac and Vascular Institute, FL (I.L.)
15. Departments of Neurology and Neuroradiology, Alexandria University Hospital, Egypt (O.Y.M.)
16. Department of Neurology, University of Miami, FL (A.M.M., D.R.Y.)
17. Departments of Neurology, Neurosurgery, and Radiology, SUNY Upstate Medical University Hospital, NY (H.E.M.)
18. Department of Critical Care Medicine (S.H.-Y.C.), University of Pittsburgh Medical Center, PA
19. Department of Neurointerventional Surgery, Texas Tech University, Lubbock (R.K.)
20. Department of Neurology, Medical City Plano Texas (V.J.)
21. Neuroscience Institute, Bon Secours Mercy Health System, St. Vincent Hospital, Toledo, OH (O.O.Z.)
22. Department of Neurology, UCLA Comprehensive Stroke Center, CA (D.S.L.).