Guan, Renchu http://orcid.org/0000-0002-7162-7826
Wang, Xu
Yang, Mary Qu
Zhang, Yu
Zhou, Fengfeng http://orcid.org/0000-0002-8108-6007
Yang, Chen
Liang, Yanchun
Article History
Received: 31 August 2017
Accepted: 27 November 2017
First Online: 10 January 2018
Change Date: 7 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 not been fixed in the paper.
Competing Interests
: The authors declare that they have no competing interests.