1. Royal Adelaide Hospital, Adelaide, South Australia, Australia
2. Neurospine Research Group, Adelaide, South Australia, Australia
3. Westmead Hospital, Westmead, Australia
4. University of Sydney, Sydney, Australia
5. Flinders University, Adelaide, South Australia, Australia
6. Benson Radiology, Adelaide, South Australia, Australia
7. Queen Elizabeth Hospital, Adelaide, South Australia, Australia
8. University of Adelaide, Adelaide, South Australia, Australia