1. Thurston Arthritis Research Center University of North Carolina at Chapel Hill Chapel Hill NC USA
2. Department of Medicine University of North Carolina at Chapel Hill Chapel Hill NC USA
3. Rheumatology Associates Louisville KY USA
4. Department of Radiology University of North Carolina at Chapel Hill Chapel Hill NC USA
5. Centers for Disease Control and Prevention Optum Life Sciences, Inc Eden Prairie MN USA
6. Department of Epidemiology‐Gillings School of Global Public Health Injury Prevention Research Center Division of Physical Therapy‐Department of Allied Health University of North Carolina at Chapel Hill Chapel Hill NC USA
7. Department of Radiology Brigham and Women’s Hospital Boston MA USA