Li, Qiang http://orcid.org/0000-0001-6732-4083
Li, Gang
Wu, Dan
Lu, Hanbing
Hou, Zhipeng
Ross, Christopher A.
Yang, Yihong
Zhang, Jiangyang
Duan, Wenzhen
Article History
Received: 20 July 2017
Accepted: 21 November 2017
First Online: 1 December 2017
Competing Interests
: The authors declare that they have no competing interests.