1. The Spine and Nerve Center of the Virginias, Charleston, West Virginia
2. Florida Pain Institute, Melbourne, Florida
3. Anodyne Research, PA, University of Miami, Miami, Florida
4. UKHealthCare Pain Services, Department of Anesthesiology, University of Kentucky College of Medicine, Lexington, Kentucky
5. University of Kansas Medical Center, Kansas City, Kansas, USA
6. Metro Spinal Clinic, Melbourne, Victoria, Australia
7. Division of Pain Medicine, Department of Anesthesiology, Mayo Clinic, Rochester, Minnesota
8. Ainsworth Institute of Pain Management, New York, New York
9. Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois
10. SamWell Institute for Pain Management, Colonia, New Jersey
11. Mayo Clinic, Rochester, Minnesota
12. Department of Anesthesiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
13. Pain Unit, Hospital Universitario Quirón-Salud, Madrid, Spain
14. IPM Medical Group, Walnut Creek, California
15. Pain Treatment Centers of America, Little Rock, Arkansas
16. Mt. Sinai Hospital, New York, New York
17. Interventional Pain Management and Pain Psychiatry Faculty, Henry Ford Health System, Detroit, Michigan
18. University of Florida College of Medicine, Jacksonville, Florida
19. Florida Spine & Pain Specialists, Bradenton, Florida
20. Director of Neurosurgical Services, Director of Clinical Research, Anesthesia Pain Care Consultants, Tamarac, Florida
21. Evidence-Based Pain Management Research and Education, Cleveland Clinic, Cleveland, Ohio, USA