Document is current

CROSSCHECK

: This document is CrossCheck deposited

COPYRIGHT AND LICENSING

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

PUBLICATION HISTORY

: Received 26 October 2015; Accepted 1 December 2015; Accepted Manuscript published 7 December 2015; Advance Article published 18 December 2015; Version of Record published 3 February 2016