1. Centre for Metabolic Bone Diseases; University of Sheffield Medical School; Sheffield UK
2. MRC Lifecourse Epidemiology Unit; University of Southampton; Southampton UK
3. University of Manitoba; Winnipeg Canada
4. Lausanne University Hospital; Center of Bone Diseases; Lausanne Switzerland
5. Sektion Biomedizinische Bildgebung Klinik für Diagnostische Radiologie; Kiel Germany
6. INSERM UMR 1033 and Lyon University; E Herriot Hospital (HEH); Lyon France
7. Department of Rheumatology; Laval University; Québec Canada
8. Department of General Practice and Elderly Care Medicine; VU University Medical Center; Amsterdam The Netherlands
9. Department of Public Health; Kinki University Faculty of Medicine; Osaka Japan
10. Department of Medicine; McGill University Health Centre and McGill University; Montreal Canada
11. Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences; Lund University, Malmö, and Department of Orthopaedics, Skåne University Hospital; Malmö Sweden
12. Department of Medical Sciences; Uppsala University Hospital; Uppsala Sweden
13. Epi-Centre for Healthy Ageing, School of Medicine; Deakin University; Geelong Australia
14. Department of Community Health and Epidemiology; Nara Medical University School of Medicine; Nara Japan
15. Jockey Club Centre for Osteoporosis Care and Control; the Chinese University of Hong Kong; Hong-Kong China
16. Department of Osteoporosis; Inselspital, Berne University Hospital; Bern Switzerland
17. Geriatric Medicine, Department of Internal Medicine and Clinical Nutrition; Institute of Medicine, University of Gothenburg; Gothenberg Sweden
18. Center for Bone Research at the Sahlgrenska Academy, Institute of Medicine; University of Gothenburg; Gothenburg Sweden
19. Department of Internal Medicine and Department of Epidemiology; Erasmus University Medical Center; Rotterdam the Netherlands
20. Department of Hygiene and Public Health; Osaka Medical College; Osaka Japan