Add to ORKG(i) The research reported in this thesis, except where otherwise indicated, is my original work. (ii) This thesis has not been submitted for any degree or examination at any other university. (iii) This thesis does not contain other persons ’ data, pictures, graphs or other information, unless specifically acknowledged as being sourced from other persons. (iv) This thesis does not contain other persons ’ writing, unless specifically acknowledged as being sourced from other researchers. Where other written sources have been quoted, then: a) their words have been re-written but the general information attributed to them has been referenced; b) where their exact words have been used, their writing has been placed inside quotation marks, and re...