1. Orthopaedic and Arthritis Center for Outcomes Research (OrACORe) and Policy and Innovation eValuation in Orthopaedic Treatments (PIVOT) Center Department of Orthopaedic Surgery Brigham and Women’s Hospital Boston MA 02115 USA
2. Department of Psychiatry Massachusetts General Hospital Boston MA 02114 USA
3. Department of Psychiatry McLean Hospital Belmont MA 02478 USA
4. Harvard Medical School Harvard University Boston MA 02115 USA
5. Department of Anesthesiology Brigham and Women’s Hospital Boston MA 02115 USA
6. Institute of Bone and Joint Research Kolling Institute University of Sydney Rheumatology Department Royal North Shore Hospital Sydney Australia
7. Boston University School of Medicine Boston MA 02118 USA
8. Department of Orthopedic Surgery Brigham and Women’s Hospital Boston MA 02115 USA
9. Department of Biostatistics Boston University School of Public Health Boston MA 02118 USA