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IDENTIFIERS

: Huang Nay Ming (ORCID)

: Huang Nay Ming (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 22 June 2014; Accepted 2 August 2014; Accepted Manuscript published 4 August 2014; Advance Article published 21 August 2014; Version of Record published 4 November 2014