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: This document is CrossCheck deposited

IDENTIFIERS

: Derek Y. C. Chan (ResearcherID)

COPYRIGHT AND LICENSING

: The PCCP Owner Societies have an exclusive publication licence for this journal

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

PUBLICATION HISTORY

: Received 1 April 2014; Accepted 16 July 2014; Accepted Manuscript published 18 July 2014; Advance Article published 25 July 2014; Version of Record published 6 August 2014