1Department of Neurosurgery, University of Virginia, Charlottesville, VA, USA.
2Department of Spine Surgery, Axis Spine Center, Coeur d'Alene, ID, USA.
3Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, CA, USA.
4Department of Orthopedic Surgery, Scripps Clinic, San Diego, CA, USA.
5Alabama Neurological Surgery & Spine, Birmingham, AL, USA.
6Carlsmed, Carlsbad, CA, USA.
7Department of Neurological Surgery, University of California, San Diego, San Diego, CA, USA.
8Elite Spine Health and Wellness, Plantation, FL, USA.
9Department of Orthopaedic Surgery, Penn Medicine, Philadelphia, PA, USA.
10KH Consulting, San Diego, CA, USA.
11Premier Orthopaedics, West Chester, PA, USA.
12St. Luke's Boise Medical Center, Boise, ID, USA.
13Department of Neurosurgery, University at Buffalo, Buffalo, NY, USA.
14Department of Orthopedic Surgery, University of Miami Hospital, Miami, FL, USA.
15Center for Spinal Disorders at Florida Orthopaedic Institute, Temple Terrace, FL, USA.
16Department of Neurological Surgery, University of California, San Francisco, San Francisco, CA, USA.