1. Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA.
2. National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA.
3. Department of Biomedicine, Aarhus University, 8000 Aarhus C, Denmark.
4. Department of Periodontology, School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
5. Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA 02142, USA.
6. Division of Rheumatology, Immunology, and Allergy, Brigham and Women’s Hospital, Boston, MA 02115, USA.
7. Division of Immunology, Boston Children’s Hospital, Boston, MA 02115, USA.
8. Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA 94305, USA.
9. Division of Rheumatology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA.