1Faculty of Medicine, Dentistry and Health Sciences, the University of Melbourne, Parkville, Australia
2Traumaplasty Melbourne, East Melbourne, Australia
3Australian Orthopaedic Association National Joint Replacement Registry, Adelaide, Australia
4South Australian Health and Medical Research Institute, Adelaide, Australia
5Clinical and Health Sciences, University of South Australia, Adelaide, Australia
W. Hoskins, Faculty of Medicine, Dentistry and Health Sciences, Building 181, University of Melbourne, Grattan St., Melbourne, Victoria 3010, Australia, Email: [email protected]
Each author certifies that there are no funding or commercial associations (consultancies, stock ownership, equity interest, patent/licensing arrangements, etc.) that might pose a conflict of interest in connection with the submitted article related to the author or any immediate family members.
All ICMJE Conflict of Interest Forms for authors and Clinical Orthopaedics and Related Research® editors and board members are on file with the publication and can be viewed on request.
Ethical approval for this study was not sought because the AOANJRR is approved by the Commonwealth of Australia as a federal quality assurance activity under section 124X of the Health Insurance Act, 1973. All AOANJRR studies are conducted in accordance with ethical principles of research (the Helsinki Declaration II).
This work was performed at the Australian Orthopaedic Association National Joint Replacement Registry, which is based at the South Australian Health and Medical Research Institute, Adelaide, South Australia.
