Bai, Long
Wang, Feng
Zhang, Dong-sheng
Li, Cong
Jin, Ying
Wang, De-shen
Chen, Dong-liang
Qiu, Miao-zhen
Luo, Hui-yan
Wang, Zhi-qiang
Li, Yu-hong
Wang, Feng-hua
Xu, Rui-hua
Article History
Received: 27 April 2015
Accepted: 4 November 2015
First Online: 1 December 2015
Competing interests
: The authors declare no competing financial interests.