DECLARATION

This dissertation is my own work and, to the best of my knowledge and belief, it contains:

Third Party Copyright Statement

I have either used no substantial portions of third party copyright material, including charts,
diagrams, graphs, photographs or maps, in my thesis or I have obtained permission for such material
to be made accessible worldwide via the internet. If permission has not been obtained, I have
asked/will ask the Library to remove the third party copyright material from the digital copy.