1. Center For Advanced Spine Care of Southern Arizona, 4787 E Camp Lowell Drive, Tucson, AZ 85719, USA
2. Department of Orthopaedics, Fundación Universitaria Sanitas, Bogotá 111321, Colombia
3. Department of Orthopaedic Surgery, College of Medicine—Tucson Campus, Health Sciences Innovation Building (HSIB), University of Arizona, 1501 N. Campbell Avenue, Tower 4, 8th Floor, Suite 8401, Tucson, AZ 85721, USA
4. Departments of Orthopaedic Surgery and Biomedical Engineering, College of Medicine—Tucson Campus, Health Sciences Innovation Building (HSIB), University of Arizona, 1501 N. Campbell Avenue, Tower 4, 8th Floor, Suite 8401, Tucson, AZ 85721, USA
5. Wirbelsäulenzentrum/Spine Center—WSC, Hirslanden Klinik Zurich, Witellikerstrasse 40, 8032 Zurich, Switzerland
6. Advanced Orthopaedics, 499 E. Central Pkwy, Ste. 130, Altamonte Springs, FL 32701, USA
7. Department of Neurosurgery, Charite Universitaetsmedizin Berlin, 13353 Berlin, Germany
8. Klinik für Neurochirurgie, Universitätsdes Saarlandes, Kirrberger Straße 100, 66421 Homburg, Germany
9. Department of Neurosurgery, Rhode Island Hospital, The Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
10. Orthopaedic Surgery, University of São Paulo, Brazilian Spine Society (SBC), Ribeirão Preto 14071-550, Brazil
11. Department of Neurosurgery, Foundation Hospital Centro Médico Campinas, Campinas 13083-210, Brazil
12. Neurological Institute of Curitiba, Curitiba 80230-030, Brazil
13. Clinical Translational Sciences, University of Arizona, Roy P. Drachman Hall, Rm. B306H, Tucson, AZ 85721, USA
14. Department of Biology, Nano-Biology, University of North Carolina, Greensboro, NC 27413, USA
15. Orthopaedic Department, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Suzhou 215031, China
16. Department of Orthopaedics, First Medical Center, PLA General Hospital, Beijing 100853, China
17. Minimally Invasive Spine Center Bogotá D.C. Colombia, Reina Sofía Clinic Bogotá D.C. Colombia, Department of Orthopaedics Fundación Universitaria Sanitas, Bogotá 0819, Colombia
18. Department of General and Specialized Surgery, Gaffrée e Guinle University Hospital, Federal University of the State of Rio de Janeiro (UNIRIO), Rio de Janeiro 20270-004, Brazil
19. Faculty of Medecine, University of Brasilia, Federal District, Brasilia 70919-900, Brazil
20. Pain and Spine Minimally Invasive Surgery Service at Gaffre e Guinle University Hospital, Rio de Janeiro 20270-004, Brazil
21. La Sociedad Iberolatinoamericana De Columna (SILACO), and the Spine Committee of the Ecuadorian Society of Orthopaedics and Traumatology (Comité de Columna de la Sociedad Ecuatoriana de Ortopedia y Traumatología), Quito 170521, Ecuador
22. Good Doctor Teun Teun Spine Hospital, Anyang 14041, Republic of Korea
23. Department of Neurosurgery, Nanoori Hospital, Seoul 06048, Republic of Korea
24. Department of Neurosurgery, Azienda Ospedaliero Universitaria Pisana, University of Pisa, 56124 Pisa, Italy
25. Desert Institute for Spine Care, Phoenix, AZ 85020, USA
26. Guinle and State Institute of Diabetes and Endocrinology, Rio de Janeiro 20270-004, Brazil