1Department of Clinical Epidemiology, Cabrini Institute, Malvern, Australia
2Department of Epidemiology and Preventive Medicine, School of Public Health and Preventative Medicine, Monash University, Melbourne, Australia
3Department of Medicine, School of Clinical Sciences, Monash University, Melbourne, Australia
4Department of Clinical Sciences, Lund University, Malmö, Sweden
5Department of Medicine, University of California, San Francisco, CA, USA
6Department of Human Metabolism, University of Sheffield, Sheffield, UK
7Veterans Affairs Medical Center, Geriatric Research Education and Clinical Center, and Department of Medicine, University of Minnesota, Minneapolis, MN, USA
8Department of Kinesiology and Schlegel Research Institute for Aging, University of Waterloo, Waterloo, ON, Canada
9Department of Rheumatology, Hospital Clinic, University of Barcelona, Barcelona, Spain
10Department of Medicine, University of California, San Diego, CA, USA
11Department of Radiology, Mayo Clinic, Rochester, MN, USA
12Department of Physical Therapy and Rehabilitation Science, University of California, San Francisco, CA, USA
13Division of Endocrinology, Mayo Clinic, Rochester, MN, USA
14Gloucester Mathews Care Clinic, Gloucester, VA, USA
15Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center, Boston, MA, USA