Yoshida, Masaro
Zhang, Yijin
Ye, Jianting
Suzuki, Ryuji
Imai, Yasuhiko
Kimura, Shigeru
Fujiwara, Akihiko
Iwasa, Yoshihiro
Article History
Received: 28 August 2014
Accepted: 17 November 2014
First Online: 3 December 2014
Competing interests
: The authors declare no competing financial interests.