Zhu, Ping http://orcid.org/0000-0002-4521-7524
Guo, Hongshan
Ren, Yixin
Hou, Yu http://orcid.org/0000-0001-7875-7087
Dong, Ji
Li, Rong
Lian, Ying
Fan, Xiaoying
Hu, Boqiang
Gao, Yun
Wang, Xiaoye
Wei, Yuan
Liu, Ping
Yan, Jie
Ren, Xiulian
Yuan, Peng
Yuan, Yifeng
Yan, Zhiqiang
Wen, Lu
Yan, Liying http://orcid.org/0000-0001-9572-9440
Qiao, Jie http://orcid.org/0000-0003-2126-1376
Tang, Fuchou http://orcid.org/0000-0002-8625-7717
Article History
Received: 23 October 2016
Accepted: 1 November 2017
First Online: 18 December 2017
Competing interests
: The authors declare no competing financial interests.