Wang, Jiayu
Do-Quang, Minh
Cannon, James J.
Yue, Feng
Suzuki, Yuji
Amberg, Gustav
Shiomi, Junichiro
Article History
Received: 27 November 2014
Accepted: 22 January 2015
First Online: 16 February 2015
Competing interests
: The authors declare no competing financial interests.