1 MRC Lifecourse Epidemiology Centre, University of Southampton, Tremona Road, Southampton, SO16 6YD, UK.
2 Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia.
3 Department of Osteoporosis, Inselspital-Bern University Hospital, University of Bern, Bern, Switzerland.
4 International Osteoporosis Foundation, Nyon, Switzerland.
5 Centro Hospitalar de Lisboa Ocidental-Hospital Egas Moniz, CEDOC/NOVA Medical School, Nova University of Lisbon, Lisbon, Portugal.
6 Division of Public Health, Epidemiology and Health Economics, WHO Collaborating Center for Public Health Aspects of Musculo-Skeletal Health and Ageing, University of Liège, Avenue Hippocrate 13, CHU B23, 4000, Liege, Belgium.
7 Department of Rheumatology, University Hospital Parc Taulí, I3PT Research Institute (UAB), Sabadell, Barcelona, Spain.
8 Department of Clinical Chemistry, University of Liège, CIRM, CHU Sart-Tilman, 4000, Liège, Belgium.
9 Department of Rheumatology, Univ. Lille, CHU Lille, MABlab ULR 4490, 59000, Lille, France.
10 Department of Medical Humanities, Amsterdam University Medical Centre, Amsterdam, The Netherlands.
11 Metabolic Bone Diseases Unit and Fracture Liaison Service, Rheumatology Unit, Department of Medical Specialties, Local Health Trust 3, Via Missolungi 14, 16147, Genoa, Italy.
12 NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Tremona Road, Southampton, UK.
13 Department of Health Services Research, CAPHRI Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands.
14 Department of Endocrinology, Ghent University Hospital, 9000, Ghent, Belgium.
15 Department of Orthopaedic and Trauma Surgery, Community Clinics Middle Rhine, Campus Kemperhof, Koblenz, Germany.
16 Institute of Neuroscience, Aging Branch, CNR, Padua, Italy.
17 Faculty of Medicine, Clinic for Orthopedic Surgery and Traumatology, Clinical Center of Vojvodina, University of Novi Sad, Novi Sad, Serbia.
18 Department of Clinical, Internal, Anaesthesiology, and Cardiovascular Sciences, Sapienza University of Rome, 00185, Rome, Italy.
19 The Palacios Institute of Women's Health, Madrid, Spain.
20 Department of Diabetes, Nutrition and Metabolic Disorders, Clinical Pharmacology, University of Liège, CHU de Liège, Liège, Belgium.
21 Center of Bone Health, Frankfurt, Germany.
22 Department of Physical Medicine and Rehabilitation, Cerrahpaşa Medical Faculty, Istanbul University Cerrahpaşa, Istanbul, Turkey.
23 Department of Internal Medicine, Geriatrics Section, University of Palermo, Palermo, Italy.
24 Mary McKillop Institute for Health Research, Australian Catholic University, Melbourne, Australia.
25 Centre for Metabolic Bone Diseases, University of Sheffield, Sheffield, UK.
26 MRC Lifecourse Epidemiology Centre, University of Southampton, Tremona Road, Southampton, SO16 6YD, UK. cc@mrc.soton.ac.uk.
27 Department of Rheumatology, Univ. Lille, CHU Lille, MABlab ULR 4490, 59000, Lille, France. cc@mrc.soton.ac.uk.
28 NIHR Musculoskeletal Biomedical Research Unit, University of Oxford, Oxford, UK. cc@mrc.soton.ac.uk.