1. Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota, United States
2. SI-Bone Inc., San Jose, United States
3. Department of Orthopaedics and Rehabilitation, Yale University, New Haven, Connecticut, United States
4. Integrated Spine Care, Milwaukee, Wisconsin, United States
5. Bluegrass Orthopaedics, Lexington, Kentucky, United States
6. Riverside Healthcare, Kankakee, Illinois, United States