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COPYRIGHT AND LICENSING

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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 15 August 2014; Accepted 25 November 2014; Accepted Manuscript published 25 November 2014; Advance Article published 2 December 2014; Version of Record published 23 December 2014