Dong, Haohao
Xiang, Quanju
Gu, Yinghong
Wang, Zhongshan
Paterson, Neil G.
Stansfeld, Phillip J.
He, Chuan
Zhang, Yizheng
Wang, Wenjian
Dong, Changjiang
Article History
Received: 8 October 2013
Accepted: 12 May 2014
First Online: 18 June 2014
Competing interests
: The authors declare no competing financial interests.