1. Brigham and Women's Hospital; Boston Massachusetts
2. Brigham and Women's Hospital, Harvard Medical School, and Harvard T. H. Chan School of Public Health; Boston Massachusetts
3. Brigham and Women's Hospital and Harvard Medical School; Boston Massachusetts
4. Philip R. Lee Institute for Health Policy Studies and Rosalind Russell/Ephraim P. Engleman Rheumatology Research Center, University of California; San Francisco
5. Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Sydney, New South Wales, Australia, and Royal North Shore Hospital; St. Leonards New South Wales Australia
6. Wake Forest School of Medicine, Wake Forest University; Winston-Salem North Carolina
7. Yale School of Medicine and Yale-New Haven Hospital, New Haven, Connecticut, and Veterans Affairs Connecticut Healthcare System; West Haven Connecticut
8. Brigham and Women's Hospital, Harvard Medical School, and Boston University School of Public Health; Boston Massachusetts