1. Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon;
2. Department of Neurosurgery, University of Texas, Dell Medical School, Austin, Texas;
3. Department of Neurosurgery, Emory University, Atlanta, Georgia;
4. Department of Neurological Surgery, UT Southwestern Medical Center, Dallas, Texas;
5. Department of Neurosurgery, Wake Forest Baptist Health, Winston-Salem, North Carolina;
6. Department of Neurosurgery, Rush University, Chicago, Illinois;
7. Department of Neurosurgery, Washington University School of Medicine, St. Louis, Missouri;
8. Department of Neurosurgery, University of Texas Houston Health Science Center, Houston, Texas;
9. Department of Neurological Surgery, University of Wisconsin, Madison, Wisconsin;
10. Accreditation Council for Graduate Medical Education, Chicago, Illinois;
11. Department of Neurosurgery, Duke University Health System, Durham, North Carolina;
12. Department of Neurological Surgery, University of Southern California, Los Angeles, California;
13. Department of Neurosurgery, University of Pennsylvania, Philadelphia, Pennsylvania;
14. Department of Neurological Surgery, University of California Davis, Sacramento, California;
15. Department of Neurosurgery, Pennsylvania State University, Hershey, Pennsylvania;
16. Department of Neurosurgery, University of Oklahoma College of Medicine, Oklahoma City, Oklahoma;
17. Department of Neurological Surgery, University of Michigan, Ann Arbor, Michigan;
18. Neuroscience and Spine Institute, Kalispell Regional Healthcare, Kalispell, Montana;
19. AANS/CNS Washington Office, Washington, DC;
20. Department of Neurosurgery, Albany Medical College and Albany Medical Center Hospital, Albany, New York; and
21. Department of Neurosurgery, University Hospitals Cleveland and Case Western Reserve University, Cleveland, Ohio