Nie, Xin
Chen, Shao-Ru
Wang, Kun
Peng, Yuran
Wang, Yi-Tao
Wang, Decai
Wang, Ying
Zhou, Guo-Chun https://orcid.org/0000-0003-3145-223X
Article History
Received: 3 November 2016
Accepted: 18 May 2017
First Online: 5 July 2017
Change Date: 23 March 2018
Change Type: Update
Change Details: The version of this Article previously published quoted an incorrect email address for Guo-Chun Zhou. Correspondence and requests for materials should also be addressed to gczhou@njtech.edu.cn. This has now been corrected in the HTML and PDF versions of the Article.
Competing Interests
: The authors declare that they have no competing interests.