Dai, Mingzhi
Khan, Karim
Zhang, Shengnan
Jiang, Kemin
Zhang, Xingye
Wang, Weiliang
Liang, Lingyan
Cao, Hongtao
Wang, Pengjun
Wang, Peng
Miao, Lijing
Qin, Haiming
Jiang, Jun
Xue, Lixin
Chu, Junhao
Article History
Received: 6 November 2015
Accepted: 11 March 2016
First Online: 14 June 2016
Change Date: 2 November 2016
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper. In addition, Pengjun Wang was omitted as a corresponding author. Correspondence and requests for materials should also be addressed to wangpengjun@nbu.edu.cn. This has now been corrected in both the HTML and PDF versions of the Article
Competing interests
: The authors declare no competing financial interests.