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SIMILARITY CHECK

: This document is Similarity Check deposited

IDENTIFIERS

: Yi-feng Duan (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)

PEER REVIEW METHOD

: Single-blind

PUBLICATION HISTORY

: Received 30 March 2017; Accepted 12 April 2017; Version of Record published 5 May 2017