Li, Yufeng
Zhou, Yonghui
Guo, Zhaopeng
Han, Fei
Chen, Xuliang http://orcid.org/0000-0002-9613-9431
Lu, Pengchao
Wang, Xuefei http://orcid.org/0000-0001-7721-7177
An, Chao
Zhou, Ying
Xing, Jie
Du, Guan
Zhu, Xiyu
Yang, Huan
Sun, Jian http://orcid.org/0000-0001-6172-9100
Yang, Zhaorong
Yang, Wenge
Mao, Ho-Kwang
Zhang, Yuheng
Wen, Hai-Hu
Article History
Received: 8 August 2017
Revised: 11 October 2017
Accepted: 14 October 2017
First Online: 1 December 2017
Competing interests
: The authors declare no competing financial interests.