1. School of Materials Science and Engineering University of New South Wales Sydney 2052 Australia
2. Department of Orthopedics University Medical Center Utrecht Utrecht 3584CX The Netherlands
3. Department of Orthopedic Surgery and Musculoskeletal Medicine University of Otago Christchurch 8011 New Zealand
4. Phil and Penny Knight Campus for Accelerating Scientific Impact Department of Bioengineering University of Oregon Eugene OR 97403 USA
5. School of Human Sciences The University of Western Australia Perth 6009 Australia
6. Division of Engineering in Medicine Department of Medicine Brigham and Women's Hospital Harvard Medical School Cambridge MA 02115 USA
7. School of Medical Sciences University of Sydney Sydney 2006 Australia
8. Charles Perkins Centre University of Sydney Sydney 2006 Australia