Thesis by publication. Author has included statement with chapters "included in this thesis with permission of [relevant publisher]". Chapter 2A - not published at time of processing. Chapter 2B & 4- published versions of Elsevier articles. Elsevier has a policy of allowing published articles to remain in theses. https://www.elsevier.com/about/policies/copyright/permissions (click on Can I include/use my article in my thesis/dissertation) Chapter 3 - published version. Author has included a note indicating it has been included with permission by the publisher Wiley. Chapter 5 - open access permissions on article (page 1): This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. LM 20/05/20