Liu, Shanshan
Li, Hao
Lv, Xiangzhang
Ahammed, Golam Jalal
Xia, Xiaojian
Zhou, Jie
Shi, Kai
Asami, Tadao
Yu, Jingquan
Zhou, Yanhong
Article History
Received: 10 May 2015
Accepted: 24 December 2015
First Online: 2 February 2016
Competing interests
: The authors declare no competing financial interests.