Ichii, Osamu
Ohta, Hiroshi
Horino, Taro
Nakamura, Teppei
Hosotani, Marina
Mizoguchi, Tatsuya
Morishita, Keitaro
Nakamura, Kensuke
Hoshino, Yuki
Takagi, Satoshi
Sasaki, Noboru
Takiguchi, Mitsuyoshi
Sato, Ryo
Oyamada, Kazuhisa
Kon, Yasuhiro
Article History
Received: 4 August 2016
Accepted: 5 December 2016
First Online: 11 January 2017
Competing interests
: The authors declare no competing financial interests.