Affiliation: | 1. The Center for Pain Relief, , Charleston, WV, USA;2. Greater Houston Pain Consultants, , Katy, TX, USA;3. Bluegrass Pain Consultants, PLLC, , Louisville, KY, USA;4. Gosy and Associates Pain Treatment and Neurology, LLP, , Williamsville, NY, USA;5. Advanced Interventional Pain Management, , Winston‐Salem, NC, USA;6. Spine Team Texas in Southlake, , Southlake, TX, USA;7. PainCare Multidisciplinary Group, , Cottlesloe, WA, Australia;8. John Nasseff Medical Center, , Saint Paul, MN, USA;9. Arizona Pain Specialists, , Scottsdale, AZ, USA;10. Advanced Pain Care Clinic, , Evansville, IN, USA;11. Pain Care Associates, , Bloomfield, MI, USA;12. Hunter Pain Clinic, , Broadmeadow, NSW, Australia;13. Advanced Physical Medicine, , Utica, NY, USA;14. Department of Neurosurgery, West Virginia University, , Morgantown, WV, USA;15. New York Spine & Wellness Center, , North Syracuse, NY, USA;16. Fundación Cardiovascular de Colombia, , Bucaramanga, Santander, Colombia;17. Spine Diagnostic & Treatment, , Baton Rouge, LA, USA;18. Gold Coast Pain Associates, , Benowa, Qld, USA;19. St. Jude Medical, , Plano, TX, USA |