1. Department of Neurology, Neurosurgery and Radiology, University of Iowa (E.A.S.).
2. Department of Neurosurgery, Baptist Health, Miami, FL (G.D.).
3. Department of Radiology and Neurological Surgery, Columbia University, New York (P.M.M.).
4. Department of Neurological Surgery, University of Texas Medical Branch Galveston (P.T.K.).
5. Department of Rehabilitation, Tampere University Hospital, Finland (J.F.).
6. Department of Neurosurgery, Mayo Clinic, Rochester, MN (G.L.).
7. Departments of Neurological Surgery and Radiology; The University of Texas Southwestern, Dallas (B.G.W.).
8. Department of Neurosurgery, Erasmus MC University Medical Centre, Rotterdam, the Netherlands (V.V.).
9. Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD (F.G.).
10. Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York (J.F., A.B.).
11. Department of Neurosurgery, University of Illinois at Chicago (F.T.C.).
12. Department of Neurosurgery, College of Medicine, University of Florida, Gainesville (B.L.H.).
13. Department of Neurosciences, University of California, San Diego (A.K.).
14. Interventional Neuroradiology Division, Stanford University Medical Center, Palo Alto, CA (M.P.M.).
15. Department of Neurosurgery, St. Michael’s Hospital, Toronto, Canada (V.M.P.).
16. Department of Neurological Surgery, Cleveland Clinic, OH (M.B.).
17. Department of Neurosurgery, University of California Los Angeles (G.P.C.).
18. Neurointerventional Program and Comprehensive Stroke Program, Pacific Neuroscience Institute, Santa Monica, CA (S.N.).
19. Division of Interventional Neuroradiology, Ronald Reagan UCLA Medical Center, Los Angeles (S.T.).
20. Department of Neurosurgery, Gates Vascular Institute, Buffalo, New York (A.H.S.).
21. Department of Radiology, Tufts University School of Medicine, Boston, MA (A.K.W.).
22. Department of Neurosurgery, Semmes-Murphey Clinic, University of Tennessee Health Science Center, Memphis (A.S.A.).
23. Neurosurgery, Barrow Neurological Institute, Phoenix, AZ (M.T.L.).