Bi, Pengpeng
Shan, Tizhong
Liu, Weiyi
Yue, Feng
Yang, Xin
Liang, Xin-Rong
Wang, Jinghua
Li, Jie
Carlesso, Nadia
Liu, Xiaoqi
Kuang, Shihuan http://orcid.org/0000-0001-9180-3180
Article History
Received: 7 April 2014
Accepted: 28 May 2014
First Online: 20 July 2014
Competing interests
: The authors declare no competing financial interests.