1. Spine Surgery Department, Elite Spine Health and Wellness, Fort Lauderdale, Florida, USA;
2. Spine Surgery Division, Atlantic Brain and Spine, Wilmington, North Carolina, USA;
3. Department of Orthopaedic Surgery, Klinikum Esslingen, Esslingen am Neckar, Germany;
4. Spine Surgery Department, The Spine Center, Duly Health and Care, Naperville, Illinois, USA;
5. Neurosurgery Department, AIMIS Spine, Las Vegas, Nevada, USA;
6. Spine Surgery Division, OrthoArkansas Spine Institute, Little Rock, Arkansas, USA;
7. UCI Medical Center, University of California, Irvine, USA;
8. Columna Institute, Vila da Serra/Ortopédico Hospital, Belo Horizonte, Brazil;
9. Department of Neurosurgery, University of North Carolina, USA