Publications during candidature No publications. Publications included in this thesis No publications included. Manuscripts included in this thesis No manuscripts included. Contributions by others to the thesis The MPhil candidate was responsible for the project design; gaining ethical approval; conception and design of all intervention materials; choice of qualitative framework; participant recruitment; data collection, analysis and interpretation; and manuscript preparation. However, significant contributions have been made by the following people to the thesis as a whole. Associate professor Sally Bennett had substantial input into the revision and critical review of written work and was the second coder for the qualitative analysis. Associate professor, Louise Gustafsson also contributed significantly to critically revising the manuscript and was consulted as the third coder in any instance there may have been uncertainty regarding thematic analysis. Statement of parts of the thesis submitted to qualify for the award of another degree None. Research involving human or animal subjects Ethical approvals for this study were granted by Human Ethics Unit, University of Queensland (approval number 2014000983), and the Mater Human Research Committee