1Centre for Metabolic Bone Diseases, University of Sheffield Medical School, Sheffield, UK
2Mary McKillop Health Institute, Australian Catholic University, Melbourne, Australia
3MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
4MRC and Arthritis Research UK Centre for Integrated Research in Musculoskeletal Ageing Mellanby, Sheffield, UK
5World Health Organization Collaborating Center for the Public Health Aspects of Musculoskeletal Health and Aging, Department of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium
6National Research Council, Neuroscience Institute, Padova, Italy
7Geriatric Medicine, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
8Region Västra Götaland, Geriatric Medicine Clinic, Sahlgrenska University Hospital, Gothenburg, Sweden
9NIHR Musculoskeletal Biomedical Research Unit, University of Oxford, Oxford, UK
10Service of Bone Diseases, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
11Syrian National Osteoporosis Society, Damascus, Syria
12Biochemistry Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
13Clinica Universidad de los Andes and Faculty of Medicine, Universidad de los Andes, Santiago, Chile
14Osteoporosis and Bone Metabolism Unit, Department of Endocrinology, Singapore General Hospital, ACADEMIA, Singapore, Singapore
15Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, USA
16International Osteoporosis Foundation, Osteoporosis Canada, Toronto, Canada
17Beacon International Specialist Centre, Petaling Jaya, Malaysia
18IRO Medical Research Center, Buenos Aires and Rheumatology Section, Cosme Argerich, Buenos Aires, Argentina
19Department of Rheumatology, Ibn Rochd University Hospital, Casablanca, Morocco
20Department of Physical Therapy, Marquette University, Milwaukee, USA
21Department of Medical Social Sciences, Feinberg School of Medicine, Northwestern University, Chicago, USA
22GREMPAL Research Group, CIBERFes and Idiap Jordi Gol, Instituto de Salud Carlos III and Universitat Autonoma deBarcelona, Barcelona, Spain
23University of Alabama at Birmingham, Birmingham, USA
24Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
25Service de Rhumatologie, University Tunis Manar and HôpitalMongi-Slim, la Marsa, Tunisia
26Department of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium