| Affiliation: | 1. Department of Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois;2. Department of Preventive Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois;3. Institute of Public Health and Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois;4. Arthritis Program, Division of Population Health, Centers for Disease Control and Prevention, Atlanta, Georgia;5. Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California;6. Department of Adult Health and Gerontological Nursing, Rush University, College of Nursing, Chicago, Illinois;7. Department of Family Medicine, Brown University, Alpert Medical School, Pawtucket, Rhode Island;8. Department of Epidemiology, Brown University, Alpert Medical School, Pawtucket, Rhode Island;9. Department of Medicine, University of Maryland, School of Medicine, Baltimore, Maryland;10. Department of Epidemiology and Public Health, University of Maryland, School of Medicine, Baltimore, Maryland;11. Department of Internal Medicine, The Ohio State University, Columbus, Ohio;12. Department of Medicine, University of Arizona, College of Medicine, Tucson, Arizona;13. Department of Medical Imaging, University of Arizona, College of Medicine, Tucson, Arizona;14. Department of Physical Medicine and Rehabilitation, Northwestern University, Feinberg School of Medicine, Chicago, Illinois |
