I would like to extend my heartfelt thanks and appreciation to some people who have been particularly instrumental in this process: Dr Mariette van der Merwe, my supervisor and mentor, thank-you for your unbelievable support throughout the whole process, as well as all your hard work, invaluable advice, input and guidance. For your constant encouragement, your belief in me and your kindness, grace, patience, and understanding. It has been a privilege to have you as my supervisor. Dr Karen van der Merwe, my co-supervisor thank-you for your additional guidance, encouragement and input, especially as an ‘interested critical reader.’ Dr Jennifer Stacey, my language and technical editor, thank-you for all your hard work in such a short time, as ...