Zhang, Yan-Yan
Wu, Kun-Lin
Zhang, Jian-Xia
Deng, Ru-Fang
Duan, Jun
Teixeira da Silva, Jaime A.
Huang, Wei-Chang
Zeng, Song-Jun
Article History
Received: 11 November 2014
Accepted: 13 October 2015
First Online: 12 November 2015
Competing interests
: The authors declare no competing financial interests.