1. Carolinas Pain Institute & The Center for Clinical Research LLC, Winston-Salem, NC 27103, USA
2. PCPMG Clinical Research Unit LLC, Anderson, SC 29621, USA
3. Mid & South Essex University Hospitals, Basildon, Essex, SS16 5NL, United Kingdom
4. University Hospital La Paz, Madrid, 28046, Spain
5. Forest Health Medical Center, Ypsilanti, MI 48198, USA
6. Spine & Pain Specialists, Shreveport, LA 71105, USA
7. University Hospital Düsseldorf, Düsseldorf, 40225, Germany
8. The Toledo Clinic, Toledo, OH 43606, USA
9. Summit Pain Management, Fort Wayne, IN 46804, USA
10. Optim Health System – Tattnall Hospital, Reidsville, GA 30453, USA
11. CHU de Québec – Université Laval, Quebec City, QC, G1L 3L5, Canada
12. Pacific Sports & Spine, Eugene, OR 97401, USA
13. Ramos Center for Interventional & Functional Pain Medicine, Englewood, FL 34205, USA
14. University of Arizona, Banner Health – University Medical Center, Tucson, AZ 85719, USA
15. Carolina Orthopaedic & Neurological Associates, Greenville, SC 29615, USA
16. Southwest Spine & Pain Center, St George, UT 84790, USA
17. Kansas Pain Management & Neuroscience Research Center, LLC, Overland Park, KS 66210, USA
18. Southlake Pain Institute, Clermont, FL 34711, USA
19. Spine Team Texas, Rockwall, TX 75032, USA
20. Ochsner Health Center, Covington, LA 70433, USA
21. Neurocenter of Southern Switzerland, Ospedale Regionale di Lugano, Lugano, 6900, Switzerland
22. Washington Center for Pain Management, Bellevue, WA 98372, USA
23. Balcones Pain Consultants, Austin, TX 78749, USA
24. Chelsea & Westminster Hospitals, London, SW10 9NH, United Kingdom
25. Southmead Hospital, Bristol, BS10 5NB, United Kingdom
26. Weill Cornell Medicine, Center for Comprehensive Spine Care, New York City, NY 10022, USA
27. Tallahassee Neurological Clinic, Tallahassee, FL 32308, USA
28. Carolinas Pain Center, Charlotte, NC 28262, USA
29. Pain Medicine Institute, Sheba Medical Center, Ramat Gan, 52621, Israel
30. Hunter Pain Specialists, Broadmeadow, New South Wales, 2292, Australia
31. Clínica Universidad de Navarra, Pamplona, 31008, Spain
32. Spine Works Institute, North Richland Hills, TX 76182, USA
33. Toledo University Hospital Complex, Toledo, 45004, Spain
34. Royal National Orthopaedic Hospital, NHS Trust, Stanmore, Middlesex, HA7 4LP, United Kingdom
35. Hospital Universitario de La Princesa, Madrid, 28006, Spain
36. Pain Centers of Wisconsin, Fort Atkinson, WI 53220, USA
37. Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
38. APMR Spinal & Skeletal Pain Medicine, Utica, NY 13502, USA
39. London Health Sciences Centre, Western University, London, ON, N6A 5W9, Canada
40. Case Western Reserve University, Cleveland, OH 44106, USA
41. Sunshine Coast Clinical Research, Noosa Heads, Queensland, 4567, Australia
42. Fondazione Salvatore Maugeri IRCCS, Pavia, 27100, Italy
43. Puerta de Hierro University Hospital, Boadilla del Monte, 28222, Spain
44. St. Bartholomew's Hospital, London, EC1A 7BE, United Kingdom
45. Algesiologikum MVZ München, Munich, 80799, Germany
46. Pain Management Associates, Lee's Summit, MO 64086, USA
47. Santa Chiara University Hospital, Pisa, 56126, Italy
48. West Virginia University Neurosurgery, Morgantown, WV 26506, USA
49. Pain Medicine of South Australia, Wayville, South Australia, 5034, Australia
50. University of Rochester, Rochester, NY 14642, USA
51. Pinnacle Pain & Spine, Scottsdale, AZ 85260, USA
52. EvergreenHealth Neurosurgery, Kirkland, WA 98034, USA
53. Charles E Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL 33431, USA
54. Kobe University Hospital, Kobe City, Hyōgo, 650-0017, Japan
55. Marqués de Valdecilla University Hospital, Santander, 39008, Spain
56. Medical University of South Carolina, Mount Pleasant, SC 29425, USA
57. Raleigh Neurology Associates, Raleigh NC 27607, USA
58. Odense University Hospital, Odense, 5000, Denmark
59. Sourasky Medical Center, Tel Aviv, 6423914, Israel
60. Sydney Spine & Pain, Hurstville, NSW, 2220, Australia
61. Sentara Neurosurgery Specialists, Virginia Beach, VA 23454, USA
62. Sahlgrenska University Hospital, Gothenburg, 413 46, Sweden
63. Comprehensive Spine & Sports Center, Campbell, CA 95008, USA
64. Metropolitan Pain Management Consultants, Sacramento, CA 95821, USA
65. University Hospital Donostia, San Sebastián, 20014, Spain
66. AMPM Research Clinic, Miami Gardens, FL 33169, USA
67. Indiana University Health, Muncie, IN 47303, USA
68. Conejo Pain Specialists Medical Group, Thousand Oaks, CA 91360, USA
69. Insight Neurosurgery, Dearborn Heights, MI 48091, USA
70. Mississippi Sports Medicine & Orthopaedic Center, Jackson, MS 39110, USA
71. University of Saskatchewan College of Medicine, Saskatoon, SK, S7N 5E5, Canada
72. AZ Delta, Roeselare, 8800, Belgium
73. Coastal Pain & Spinal Diagnostics, Carlsbad, CA 92009, USA
74. Pain Management Centers of America, Evansville, IN 47714, USA
75. Pain Medicine Associates, Newport Beach, CA 92663, USA
76. University of Florida Health, Gainesville, FL 32610, USA
77. Hyōgo College of Medicine Hospital, Nishinomiya, Hyōgo, 663-8501, Japan
78. The Raso Pain Center, Jupiter, FL 33477, USA
79. Precision Spine Care, Tyler, TX 75701, USA
80. International Hospital of Colombia, Bucaramanga - Piedecuesta, Santander, Columbia
81. Kindai University, Faculty of Medicine, Osaka-sayama, Osaka, 577-8502, Japan
82. Rijnstate Hospital, Arnhem, 6815, The Netherlands
83. Pain Matrix, Berwick, Victoria, 3806, Australia
84. Fundación CENIT, Buenos Aires, C1125 CABA, Argentina
85. University of Illinois, Chicago, IL 60607, USA
86. The Ohio State University Medical Center, Columbus, OH 43210, USA
87. Tokyo Metropolitan Neurological Hospital, Tokyo, 150-0013, Japan
88. Green Lizard Science, Claremont, Western Australia, 6010, Australia
89. Boston Scientific Neuromodulation, Valencia, CA 91355, USA