1. MRC Lifecourse Epidemiology Centre University of Southampton Southampton UK
2. NIHR Southampton Biomedical Research Centre University of Southampton and University Hospital Southampton NHS Foundation Trust Southampton UK
3. Division of Endocrinology, Diabetes and Clinical Nutrition, School of Medicine Oregon Health & Science University Portland OR USA
4. Department of Epidemiology, Graduate School of Public Health University of Pittsburgh Pittsburgh PA USA
5. Department of Medicine & Therapeutics and School of Public Health The Chinese University of Hong Kong Shatin China
6. Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences Malmo Lund University and Department of Orthopedics, Skane University Hospital Malmo Sweden
7. Department of Surgical Sciences University of Uppsala Uppsala Sweden
8. Research Institute California Pacific Medical Center San Francisco CA USA
9. Department of Epidemiology and Biostatistics University of California San Francisco CA USA
10. Medicine and Epidemiology & Community Health University of Minnesota Minneapolis MN USA
11. Center for Care Delivery and Outcomes Research Minneapolis VA Health Care System Minneapolis MN USA
12. Mary MacKillop Institute for Health Research Australian Catholic University Melbourne Australia
13. NIHR Oxford Biomedical Research Centre University of Oxford Oxford UK
14. Centre for Metabolic Bone Diseases University of Sheffield Sheffield UK
15. Sahlgrenska Osteoporosis Centre, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
16. Centre for Integrated Research into Musculoskeletal Ageing (CIMA), Mellanby Centre for Musculoskeletal Research University of Sheffield Sheffield UK