1. Division of Rheumatology, University of Alberta , Edmonton, AB T6G 2G3 , Canada
2. Park Nicollet Clinic and HealthPartners Institute , Bloomington, MN 55425 , United States
3. Division of Health Policy and Management, University of Minnesota , Minneapolis, MN 55455 , United States
4. Division of General Internal Medicine, Department of Medicine, McGill University , Montreal, QC, H3G 2M1 , Canada
5. Department of Community Health Sciences, University of Manitoba , Winnipeg, MB, R3E 0T6 , Canada
6. MRC Versus Arthritis Centre for Integrated Research in Musculoskeletal Ageing , Mellanby Centre for Musculoskeletal Research,Division of Clinical Medicine, School of Medicine and Population Health, . Sheffield, SYK, S10 2TN , United Kingdom
7. University of Sheffield , Mellanby Centre for Musculoskeletal Research,Division of Clinical Medicine, School of Medicine and Population Health, . Sheffield, SYK, S10 2TN , United Kingdom
8. Department of Oncology & Metabolism, MRC Versus Arthritis Centre for Integrated Research in Musculoskeletal Ageing, University of Sheffield , Sheffield, SYK, S10 2TN , United Kingdom
9. Faculty of Health Sciences , Mary McKillop Institute for Health Research, , Melbourne, VIC 3000 , Australia
10. Australian Catholic University , Mary McKillop Institute for Health Research, , Melbourne, VIC 3000 , Australia
11. MRC Lifecourse Epidemiology Centre, University of Southampton , Southampton, Hampshire, SO16 6YD , United Kingdom
12. NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust , Southampton, Hampshire, SO16 6YD , United Kingdom
13. Department of Oncology & Metabolism , MRC Versus Arthritis Centre for Integrated Research in Musculoskeletal Ageing, , Sheffield, SYK, S10 2TN , United Kingdom
14. University of Sheffield , MRC Versus Arthritis Centre for Integrated Research in Musculoskeletal Ageing, , Sheffield, SYK, S10 2TN , United Kingdom