Preprint: archiving allowed.

Postprint: archiving allowed.

Published version: archiving allowed.


  • On open access repositories
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  • Publisher's version/PDF may be used
  • 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.
  • All titles are open access journals
  • Publisher last contacted on 16/07/2015

Policy details