Huang, Junfeng
Qin, Hongqiang
Sun, Zhen
Huang, Guang
Mao, Jiawei
Cheng, Kai
Zhang, Zhang
Wan, Hao
Yao, Yating
Dong, Jing
Zhu, Jun
Wang, Fangjun
Ye, Mingliang
Zou, Hanfa
Article History
Received: 29 December 2014
Accepted: 1 April 2015
First Online: 11 May 2015
Change Date: 5 August 2015
Change Type: Update
Change Details: The HTML version of this paper was updated shortly after publication, following a technical error that resulted in the link to the Supplementary Information file being omitted. This has now been corrected in the HTML; the PDF version of the paper was correct from the time of publication.
Competing interests
: The authors declare no competing financial interests.