Affiliation: | 1. Division of Rheumatology, Allergy, and Immunology, Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, 3300 Doc J. Thurston Bldg, CB#7280, Chapel Hill, NC 27599, USA;2. Boston University School of Medicine, 650 Albany Street, Rheumatology, Suite X200, Boston, MA 02118, USA;1. Department of Medicine, Cumming School of Medicine, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada;2. Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada;3. Arthritis Research Canada, 2238 Yukon St, #230, Vancouver, BC V5Y 3P2, Canada;1. Division of Rheumatology, Department of Medicine, Toronto Western Hospital, Mount Sinai Hospital, Institute of Health Policy, Management and Evaluation, University of Toronto, Room 2-004, Box 9, 60 Murray Street, Toronto, Ontario M5T 3L9, Canada;2. American College of Rheumatology, 2200 Lake Blvd NE, Atlanta, GA 30319, USA;1. Division of Rheumatology, Mayo Clinic, Rochester, MN, USA;2. Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA |