1. Center for Spine Health, Cleveland Clinic, Cleveland, Ohio
2. Case Western Reserve University School of Medicine, Cleveland, Ohio
3. Department of Quantitative Health Sciences, Cleveland Clinic, Cleveland, Ohio
4. Neurological Institute Center for Outcomes Research and Evaluation, Cleveland Clinic, Cleveland, Ohio
5. Department of Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, Ohio
6. Department of Supply Chain Management, Cleveland Clinic, Cleveland, Ohio
7. Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
8. Department of Neurosurgery, Cleveland Clinic, Cleveland, Ohio
9. Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio