Yoshida, Shoji
Kobayashi, Yu
Sakurada, Ryuji
Mori, Shohei
Miyata, Yasumitsu
Mogi, Hiroyuki
Koyama, Tomoki
Takeuchi, Osamu
Shigekawa, Hidemi
Article History
Received: 7 July 2015
Accepted: 9 September 2015
First Online: 7 October 2015
Competing interests
: The authors declare no competing financial interests.