Institution: | 1. Center for Clinical Research, Winston Salem, North Carolina, USA;2. International Spine, Pain, and Performance Center, Washington, DC, USA;3. Duke University, Durham, North Carolina, USA;4. Premier Pain Centers, Shrewsbury, New Jersey, USA;5. Virginia iSpine Physicians, Richmond, Virginia, USA;6. The Spine and Nerve Centers of the Virginias, Charleston, West Virginia, USA;7. The Pain Center, Phoenix, Arizona, USA;8. Integrated Pain Management, Inc, Walnut Creek, California, USA;9. Johns Hopkins School of Medicine, Baltimore, Maryland, USA;10. SPR Therapeutics, Inc, Cleveland, Ohio, USA |