1MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
2NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
3Centre for Metabolic Bone Diseases, University of Sheffield, Sheffield, UK
4Mary McKillop Institute for Health Research, Australian Catholic University, Melbourne, Australia
5NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
6Geriatric Medicine, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
7Geriatric Medicine, Sahlgrenska University Hospital, Mölndal, Sweden
8University of Arizona Cancer Center, Tucson, AZ, USA
9Department of Medicine, Division of Rheumatology, J Harold Harrison, MD, Distinguished University Chair in Rheumatology, Medical College of Georgia at Augusta University, Augusta, GA, USA
10Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
11Department of Physical Therapy, College of Applied Health Sciences, University of Illinois at Chicago, Chicago, IL, USA
12Reading Hospital / Tower Health, Reading, PA, USA
13University of California, San Diego, CA, USA
14Department of Medicine (Stanford Prevention Research Center), Stanford School of Medicine, Stanford University, Stanford, CA, USA
15University at Buffalo, the State University of New York, Buffalo, NY, USA
17Centre for Integrated Research in Musculoskeletal Ageing (CIMA), Mellanby Centre for Bone Research, University of Sheffield, Sheffield, UK