Ding, Jian
Chen, Jinghai
Wang, Yanqun
Kataoka, Masaharu
Ma, Lixin
Zhou, Pingzhu
Hu, Xiaoyun
Lin, Zhiqiang
Nie, Mao
Deng, Zhong-Liang
Pu, William T
Wang, Da-Zhi
Article History
Received: 28 February 2015
Accepted: 7 May 2015
First Online: 1 June 2015
Competing interests
: The authors declare no competing financial interests.