1. Departments of Orthopedic and Neurologic Surgery, NYU Langone Orthopedic Hospital, New York Spine Institute, New York, New York, USA;
2. Department of Orthopedics, Lenox Hill Hospital, New York, New York, USA;
3. Department of Orthopedics, University of Calgary, Calgary, Alberta, Canada;
4. Department of Orthopedics, Brown University, Warren Alpert Medical School, Providence, Rhode Island, USA;
5. Norton Leatherman Spine Center, Louisville, Kentucky, USA;
6. Department of Spine Surgery, Denver International Spine Clinic, Presbyterian St. Luke's/Rocky Mountain Hospital for Children, Denver, Colorado, USA;
7. Department of Orthopaedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA;
8. Departments of Orthopaedic and Neurosurgery, Utah Southwestern Medical Center, Dallas, Texas, USA;
9. Department of Orthopaedic Surgery, Swedish Neuroscience Institute, Seattle, Washington, USA;
10. Department of Orthopaedic Surgery, University of Kansas Medical Center, Kansas City, Kansas, USA;
11. Department of Neurosurgery, University of Virginia, Charlottesville, Virginia, USA;
12. Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA;
13. Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA;
14. Rocky Mountain Scoliosis and Spine, Denver, Colorado, USA