Fukushima, Toshiaki
Yoshihara, Hidehito
Furuta, Haruka
Kamei, Hiroyasu
Hakuno, Fumihiko
Luan, Jing
Duan, Cunming
Saeki, Yasushi
Tanaka, Keiji
Iemura, Shun-Ichiro
Natsume, Tohru
Chida, Kazuhiro
Nakatsu, Yusuke
Kamata, Hideaki
Asano, Tomoichiro
Takahashi, Shin-Ichiro
Article History
Received: 15 July 2014
Accepted: 26 February 2015
First Online: 16 April 2015
Competing interests
: The authors declare no competing financial interests.