1. Sydney Medical School, The University of Sydney; Musculoskeletal Division, The George Institute for Global Health; Sydney Australia
2. VU University Medical Center; Department of Epidemiology and Biostatistics; PO Box 7057 Amsterdam Netherlands 1007 MB
3. VU University Amsterdam; Department of Health Sciences, Faculty of Earth and Life Sciences; PO Box 7057 Room U454 Amsterdam Netherlands 1007 MB
4. Alberta Health Services; Health Technology Assessment and Adoption, Research, Innovation and Analytics Portfolio; Calgary AB Canada
5. Erasmus Medical Center; Department of General Practice; PO Box 2040 Rotterdam Netherlands 3000 CA
6. Sydney School of Public Health, The University of Sydney; Musculoskeletal Health Sydney; Level 10, North, King George V Building, Royal Prince Alfred Hospital (C39) Sydney New South Wales Australia 2050
7. The University of Sydney; School of Public Health, Sydney Medical School; Sydney Australia