OA - HD 20/9/18 Green in Sherpa, Author's Pre-print: green tick author can archive pre-print (ie pre-refereeing) Author's Post-print: green tick author can archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: green tick author can archive publisher's version/PDF General Conditions: On open access repositories Authors retain copyright Creative Commons Attribution License Published source must be acknowledged with citation First publication by Frontiers Media must be acknowledged Publisher's version/PDF may be used Articles are placed in PubMed Central immediately on behalf of authors. Permissions from article: "© 2014 Hinckson, McGrath, Hopkins, Oliver, Badland, Mavoa, Witten and Kearns. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms" LL 21/9/18