Fan, Yabin
Upadhyaya, Pramey
Kou, Xufeng
Lang, Murong
Takei, So
Wang, Zhenxing
Tang, Jianshi
He, Liang
Chang, Li-Te
Montazeri, Mohammad
Yu, Guoqiang
Jiang, Wanjun
Nie, Tianxiao
Schwartz, Robert N.
Tserkovnyak, Yaroslav
Wang, Kang L.
Article History
Received: 3 December 2013
Accepted: 2 April 2014
First Online: 28 April 2014
Competing interests
: The authors declare no competing financial interests.