1. Department of Neurosurgery, Medical University of South Carolina, Charleston, SC, USA
2. Neurointerventional Surgery, Sarasota Memorial Hospital, Sarasota, FL, USA
3. Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, UT, USA
4. Spencer Fox Eccles School of Medicine, University of Utah, Salt Lake City, UT, USA
5. Klinik für Neurologie, Universitätsmedizin Göttingen, Göttingen, Germany
6. Department of Neurosurgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA
7. Department of Neurology, Chonnam National University Hospital, Gwangju, Korea
8. Department of Neurological Surgery, Wake Forest Baptist Health, Medical Center Boulevard, Winston-Salem, NC, USA
9. Department of Neuroradiology, West Virginia University, Morgantown, WV, USA
10. Department of Neurological Surgery, University of Miami Health System, Miami, FL, USA
11. Department of Neurology, Universitätsspital Basel, Clinic and Polyclinic for Neurology, Basel, Switzerland
12. Department of Neurology, University of Iowa, Iowa City, IA, USA
13. Department of Neurology, University of Tennessee Health Science Center/Semmes Murphey Foundation, Memphis, TN, USA
14. Department of Neurosurgery, Hyogo College of Medicine, Hyogo, Japan
15. Department of Neurosurgery, LSU Health Shreveport, Shreveport, LA, USA
16. Department of Neurosurgery, Emory University, Atlanta, GA, USA
17. Department of Neurosurgery, University of Illinois at Chicago, Chicago, IL, USA
18. Department of Clinical Sciences, University of Houston, HCA Houston Healthcare Kingwood, Kingwood, TX, USA
19. Neuroradiology, University Hospital ‘San Giovanni di Dio e Ruggi d'Aragona’, Salerno, Italy
20. Department of Neurosurgery, Baylor College of Medicine, Houston, TX, USA
21. Department of Neurosurgery, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
22. Department of Neuroradiology, NOVA Medical School, Universidade Nova de Lisboa, Portugal + Centro Hospitalar Universitário de Lisboa central, Lisboa, Portugal
23. Department of Neurosurgery, University of Florida, Gainesville, FL, USA
24. Department of Neurosciences, University of Michigan Health West, Wyoming, MI, USA
25. Department of Neurosurgery, Washington University in St. Louis, St. Louis, MO, USA
26. Department of Neurosurgery, Médica Uruguaya, Montevideo, Uruguay
27. Department of Neurosurgery, Yale University, New Haven, CT, USA
28. Department of Neurosurgery, University of Virginia, Charlottesville, VA, USA
29. Department of Neurological Surgery, University of Washington School of Medicine, Harborview Medical Center, Washington, USA
30. Department of Radiology, Mayo Clinic Minnesota, Rochester, MN, USA
31. Department of Neurosurgery, Washington Regional Medical Center, Fayetteville, AR, USA
32. Department of Neurosurgery, Health Science University, Ankara Bilkent City Hospital, Çankaya/Ankara, Turkey
33. Department of Neurology, Alleghany Hospital Network, Pittsburgh, PA, USA
34. Interventional and Diagnostic Neuroradiology, Hospital Universitario La Paz, Madrid, Spain
35. Department of Neurosurgery, The University of Texas Medical Branch at Galveston, Galveston, TX, USA
36. Department of Neurosurgery, Mount Sinai Health System, New York, NY, USA
37. Department of Neurosurgery, NorthShore University HealthSystem, Evanston, IL, USA
38. Department of Neurological Surgery and Montefiore-Einstein Cerebrovascular Research Lab, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA