1. Cambridge University Hospitals National Health Service (NHS) Foundation Trust; Cambridge UK
2. Center for Outcomes Research; University of Massachusetts Medical School; Worcester MA USA
3. Biostatistics; University of Massachusetts; Amherst MA USA
4. Mercy Health Osteoporosis and Bone Health Services; Cincinnati OH USA
5. Department of Medicine; Columbia University Medical Center; NY USA
6. Department of Rheumatology; Cedars-Sinai Medical Center; Los Angeles CA USA
7. Division of Clinical Immunology and Rheumatology; University of Alabama at Birmingham; Birmingham AL USA
8. Paris Descartes University; Cochin Hospital; Paris France
9. Department of Rheumatology; University of Verona; Ospedale, Verona, Valeggio Italy
10. Department of Internal Medicine III; Alfried Krupp Krankenhaus; Essen Germany
11. Helen Hayes Hospital and Columbia University; West Haverstraw NY USA
12. Department of Endocrinology; Vrije Universiteit (VU) University Medical Center; Amsterdam The Netherlands
13. University of Sydney Institute of Bone and Joint Research and Department of Rheumatology; Royal North Shore Hospital; Australia
14. Fred Hutchinson Cancer Research Center; Seattle WA USA
15. University of Pittsburgh; Pittsburgh PA USA
16. Hospital del Mar-Institut Municipal d'Investigació Mèdica (IMIM)-Autonomous University of Barcelona; Barcelona Spain
17. Red Temática de Investigación Cooperativa en Envejecimiento y Fragilidad (RETICEF); Instituto de Salud Carlos III (ISCIII); Madrid Spain
18. Medical Research Council (MRC) Lifecourse Epidemiology Unit; University of Southampton; Southampton UK
19. Division of Rheumatology; Institut National de la Santé et de la Recherche Médicale (INSERM) Unité Mixte de Recherche (UMR) 1033; Université de Lyon; Hospices Civils de Lyon; Hôpital E Herriot; Lyon France
20. Universiteit Leuven; Leuven Belgium
21. St Joseph's Healthcare; McMaster University; Hamilton, Ontario Canada