Open access online article HD 22/7/15. --
Green in Sherpa: Author's Pre-print: author can archive pre-print (ie pre-refereeing)
Author's Post-print: 	author can archive post-print (ie final draft post-refereeing)
Publisher's Version/PDF: author can archive publisher's version/PDF
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    Set statement to accompany [This Document is Protected by copyright and was first published by Frontiers. All rights reserved. it is reproduced with permission.]
    Articles are placed in PubMed Central immediately on behalf of authors. --
Also copyright note from journal article(website):  Copyright © 2014 Carbone, Wattchow, Spencer, Hibberd and Brookes. 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. --
29.416--MMM