The electronic supplemental material for this thesis is currently unavailable due to file format issues. It will be uploaded and made available as soon as possible; potentially late-2017. For access to this content, please consult the print version. Link to the Te Waharoa record: http://tewaharoa.hosted.exlibrisgroup.com/VUW:64VUW_ALL:64VUW_INST21235497530002386 Apologies for the inconvenience. For further information please contact the Discovery Systems Team at the Victoria University of Wellington Library. - 29/08/2017 TN