Wang, Ren
Wang, Bing-Zhong
Ding, Xiao http://orcid.org/0000-0003-0804-6444
Ou, Jun-Yu http://orcid.org/0000-0001-8028-6130
Article History
Received: 16 May 2017
Accepted: 2 November 2017
First Online: 13 November 2017
Change Date: 13 June 2018
Change Type: Correction
Change Details: A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
Competing Interests
: The authors declare that they have no competing interests.