1 Centre for Metabolic Bone Diseases, University of Sheffield, Sheffield, UK.
2 MRC Versus Arthritis Centre for Integrated Research in Musculoskeletal Ageing, Mellanby Centre for Musculoskeletal Research, University of Sheffield, Sheffield, UK.
3 Quantify Research, Stockholm, Sweden.
4 Department of Learning, Informatics, Management and Ethics (LIME), Karolinska Institutet, Stockholm, Sweden.
5 MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK.
6 NIHR Musculoskeletal Biomedical Research Unit, University of Oxford, Oxford, UK.
7 NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK.
8 Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK.
9 Mary McKillop Institute for Health Research, Australian Catholic University, Melbourne, Australia.
10 Geriatric Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
11 Mary McKillop Institute for Health Research, Australian Catholic University, Melbourne, Australia. w.j.pontefract@shef.ac.uk.
12 Centre for Metabolic Bone Diseases, University of Sheffield Medical School, Beech Hill Road, Sheffield, S10 2RX, UK. w.j.pontefract@shef.ac.uk.