1. Australian Orthopaedic Association National Joint Replacement RegistrySouth Australian Health and Medical Research Institute Adelaide South Australia Australia
2. Whitlam Orthopaedic Research CentreIngham Institute for Applied Medical Research, South Western Sydney Clinical School, The University of New South Wales Sydney New South Wales Australia
3. Institute for Musculoskeletal Health, School of Public HealthThe University of Sydney Sydney New South Wales Australia
4. Epworth HealthcareThe University of Melbourne Melbourne Victoria Australia