1. Electrical and Biomedical Engineering School of Engineering RMIT University Melbourne Victoria 3000 Australia
2. ACMD St Vincent's Hospital Melbourne Fitzroy Victoria 3065 Australia
3. Department of Surgery The University of Melbourne Fitzroy Victoria 3065 Australia
4. ARC Centre of Excellence for Electromaterials Science Intelligent Polymer Research Institute University of Wollongong Wollongong NSW 2522 Australia
5. Department of Medicine The University of Melbourne St Vincent's Hospital Melbourne Fitzroy VIC 3065 Australia
6. Department of Orthopaedics St Vincent's Hospital Melbourne Melbourne Victoria 3065 Australia