Tao, Li http://orcid.org/0000-0002-7757-1149
Chen, Zefeng
Li, Xinming http://orcid.org/0000-0002-7844-8417
Yan, Keyou http://orcid.org/0000-0003-4380-7325
Xu, Jian-Bin http://orcid.org/0000-0003-0509-9508
Article History
Received: 5 December 2016
Revised: 23 May 2017
Accepted: 30 May 2017
First Online: 3 July 2017
Change Date: 3 October 2017
Change Type: Erratum
Change Details: A correction to this article has been published and is linked from the HTML version of this article.
Competing interests
: The authors declare that they have no competing financial interests.