1. Orthopaedic Surgery, Johns Hopkins Medicine, Baltimore, MD, USA
2. Johns Hopkins University, Baltimore, MD, USA
3. Weill Cornell Brain and Spine Center, New York, NY, USA
4. Mass General Brigham Inc, Boston, MA, USA
5. USC Spine Center, Los Angeles, CA, USA
6. Orthopedic Surgery, Emory University School of Medicine, Atlanta, GA, USA
7. Gerling Institute, Brooklyn, NY, USA
8. Neurosurgery, BG Klinikum Bergmannstrost Halle, Halle, Germany