Katsushima, Keisuke
Natsume, Atsushi
Ohka, Fumiharu
Shinjo, Keiko
Hatanaka, Akira
Ichimura, Norihisa
Sato, Shinya
Takahashi, Satoru
Kimura, Hiroshi
Totoki, Yasushi
Shibata, Tatsuhiro
Naito, Mitsuru
Kim, Hyun Jin
Miyata, Kanjiro
Kataoka, Kazunori
Kondo, Yutaka
Article History
Received: 18 May 2016
Accepted: 18 October 2016
First Online: 6 December 2016
Competing interests
: The authors declare no competing financial interests.