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RELATED DATA

: Supplementary Information

IDENTIFIERS

: Christopher D. Smith (ResearcherID)

COPYRIGHT AND LICENSING

: The Royal Society of Chemistry has an exclusive publication licence for this journal

OPEN ACCESS: This article is freely available. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence (CC BY 3.0)

PUBLICATION HISTORY

: Received 1 December 2015; Accepted 10 February 2016; Advance Article published 1 March 2016; Version of Record published 31 March 2016