Updates are available Correction dated 2015-11-19
Click to view Correction: https://doi.org/10.1038/srep16547
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Authors
Chen, Wan
Liu, Yu-Xiang
Jiang, Guo-Fang
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Article History
Received: 3 December 2014
Accepted: 12 May 2015
First Online: 5 June 2015
Change Date: 19 November 2015
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.
