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