1. School of Mechanical and Manufacturing Engineering, Faculty of Engineering University of New South Wales, Sydney Kensington New South Wales Australia
2. Spine Labs, St. George & Sutherland Clinical School, Faculty of Medicine University of New South Wales Sydney New South Wales Australia
3. School of Engineering, Faculty of Science and Engineering Macquarie University Sydney New South Wales Australia
4. School of Biomedical Engineering, Faculty of Engineering and Information Technology University of Technology Sydney Ultimo New South Wales Australia
5. Department of Orthopaedic Surgery Spine Service, St. George Hospital Campus Kogarah New South Wales Australia