Thesis by publication LM 3/12/21 Ch. 1-4 - permitted. Published versions all with CC-BY licences. Ch. 5. Marked as as submitted draft manuscript (submitted version). Not yet published. Intended publication is listed. Removed because if it is published in the intended journal, the published source must be acknowledged and linked to. https://v2.sherpa.ac.uk/id/publication/28275 Ch. 6. Marked as manuscript in preparation (submitted version). Not yet published. Removed to protect publishing opportunities.