1 National Institute for Health Research Bristol Biomedical Research Centre, University Hospitals Bristol and Weston NHS Foundation Trust, University of Bristol, Bristol, UK.
2 Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Learning & Research Building (Level 1), Southmead Hospital, Bristol BS10 5NB, UK.
3 Diabetes Research Centre, University of Leicester, Leicester General Hospital, Gwendolen Road, Leicester LE5 4WP, UK.
4 Department of Medicine, Central Finland Health Care District Hospital District, Finland District, Jyväskylä, Finland.
5 Department of Medicine, University of Ghana Hospital, Legon, Ghana.
6 Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland.
7 Department of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.