1. Orthopaedic and Arthritis Center for Outcomes Research, Brigham and Women's Hospital, and Harvard Medical School; Boston Massachusetts
2. Orthopaedic and Arthritis Center for Outcomes Research, Brigham and Women's Hospital; Boston Massachusetts
3. Orthopaedic and Arthritis Center for Outcomes Research, Brigham and Women's Hospital, Harvard Medical School, and the Harvard T. H. Chan School of Public Health; Boston Massachusetts
4. Orthopaedic and Arthritis Center for Outcomes Research, Brigham and Women's Hospital, Harvard Medical School, and Boston University School of Public Health; Boston Massachusetts