Xiong, Ding
Xiao, Shengping
Guo, Su
Lin, Qingsong
Nakatsu, Fubito
Article History
Received: 16 June 2015
Accepted: 17 November 2015
First Online: 11 January 2016
Change Date: 11 February 2016
Change Type: Corrigendum
Change Details: In the version of this article initially published online, the name of author Qingsong Lin was misspelled as Qinsong Lin. The error has been corrected for the PDF and HTML versions of this article.
Competing interests
: The authors declare no competing financial interests.