Kimura, Eiichi
Abe, Takumi
Murata, Kazumasa
Kimura, Toshiyuki
Otoki, Yurika
Yoshida, Taiji
Miyazawa, Teruo
Nakagawa, Kiyotaka
Article History
Received: 10 October 2017
Accepted: 2 January 2018
First Online: 30 January 2018
Competing Interests
: The authors declare that they have no competing interests.