Su, Sheng-Qun
Kamachi, Takashi
Yao, Zi-Shuo
Huang, You-Gui
Shiota, Yoshihito
Yoshizawa, Kazunari
Azuma, Nobuaki
Miyazaki, Yuji
Nakano, Motohiro
Maruta, Goro
Takeda, Sadamu
Kang, Soonchul
Kanegawa, Shinji
Sato, Osamu
Article History
Received: 20 August 2015
Accepted: 6 October 2015
First Online: 4 November 2015
Competing interests
: The authors declare no competing financial interests.