Acknowledgements
This research was supported under the Australian Research Council's Linkage Projects funding scheme (Project number: LP0989241) and with the assistance of two industry partners: (1) Australian Foundation for the Disabled (AFFORD), and (2) St John of God Accord. The views expressed herein are those of the authors and are not necessarily those of the Australian Research Council or the industry partners.
Conflict of interest: No conflicts of interest are declared.