Ishikawa, Takuya
Kitaura, Yasuyuki
Kadota, Yoshihiro
Morishita, Yukako
Ota, Miki
Yamanaka, Fumiya
Xu, Minjun
Ikawa, Masahito
Inoue, Naokazu
Kawano, Fuminori
Nakai, Naoya
Murakami, Taro
Miura, Shinji
Hatazawa, Yukino
Kamei, Yasutomi
Shimomura, Yoshiharu
Article History
Received: 8 June 2016
Accepted: 28 November 2016
First Online: 4 January 2017
Competing interests
: The authors declare no competing financial interests.