1. Department of Medicine, Division of Rheumatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
2. Orthopaedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery and Division of Rheumatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
3. Department of Orthopedic Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA