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IDENTIFIERS

: Andrew B. Croll (ORCID)

: Andrew B. Croll (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 10 August 2016; Accepted 21 December 2016; Accepted Manuscript published 22 December 2016; Advance Article published 18 January 2017; Version of Record published 1 March 2017