| Affiliation: | 1. Center for Pain Relief, , Charleston, WV, USA;2. Evidence‐Based Pain Management Research and Education, Cleveland Clinic, , Cleveland, OH, USA;3. University of Arkansas for Medical Sciences, Neurosurgery, , Little Rock, AR, USA;4. Pacific Pain Treatment Center, , San Francisco, CA, USA;5. Premier Pain Management Centers, , Shrewsbury, NJ, USA;6. Johns Hopkins University, , Baltimore, MD, USA;7. Division of Neurosurgery, Duke University Medical Center, , Durham, NC, USA;8. Manhattan Spine and Pain Medicine, Lenox Hill Hospital, , New York, NY, USA;9. St. Lukes Neurosurgical Associates, , Bethlehem, PA, USA;10. University of Tennessee, , Memphis, TN, USA;11. Valley View Hospital, , Glenwood Springs, CO, USA;12. University of Illinois at Chicago, , Chicago, IL, USA;13. Anesthesiology and Pain Medicine, Neurological Surgery, Summa Western Reserve Hospital, , Cuyahoga Falls, OH, USA;14. Massachusetts Eye and Ear Infirmary and Schepens Eye Research Institute, Harvard Medical School, , Boston, MA, USA;15. Department of Anesthesia, Rush University Medical Center, , Chicago, IL, USA;16. Spaulding Rehabilitation Hospital, Harvard Medical School, , Boston, MA, USA;17. Clinical Anesthesia, Physical Medicine and Rehabilitation, Indiana University Pain Medicine Center, , Indianapolis, IN, USA;18. University of Florida College of Medicine, , Jacksonville, FL, USA |
