1. Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
2. Department of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
3. Department of Medicine, McGill University, Montreal, Quebec, Canada
4. Centre for Metabolic Bone Diseases, University of Sheffield Medical School, Sheffield, United Kingdom
5. Medical Research Council (MRC) Versus Arthritis Centre for Integrated Research Into Musculoskeletal Ageing, Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom
6. Mary McKillop Institute for Health Research, Australian Catholic University, Melbourne, Victoria, Australia
7. MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton, United Kingdom
8. National Institute for Health and Care Research Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton National Health Service Foundation Trust, Southampton, United Kingdom
9. Sahlgrenska Osteoporosis Centre, University of Gothenburg, Gothenburg, Sweden
10. Region Västra Götaland, Sahlgrenska University Hospital, Mölndal, Sweden