Jing, Lu
Hou, Ye
Wu, Hui
Miao, Yuanxin
Li, Xinyun
Cao, Jianhua
Michael Brameld, John
Parr, Tim
Zhao, Shuhong
Article History
Received: 14 October 2014
Accepted: 10 June 2015
First Online: 7 July 2015
Competing interests
: The authors declare no competing financial interests.