Zhou, Yunli
Zhang, Mi
He, Dan
Hu, Xueyuan
Xiong, Huarong
Wu, Jianyong
Zhu, Biyue
Zhang, Jingqing
Article History
Received: 17 June 2015
Accepted: 30 December 2015
First Online: 29 January 2016
Change Date: 30 June 2017
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 been fixed in the paper.
Change Date: 30 June 2017
Change Type: Erratum
Change Details: Scientific Reports 6: Article number: 20136; published online: 29 January 2016; updated: 30 June 2017. The original HTML version of this Article listed an incorrect volume number. This has now been corrected in the HTML version; the PDF version was correct at the time of publication.
Competing interests
: The authors declare no competing financial interests.