Itakura, Junya
Sato, Miwa
Ito, Toshihiro
Mino, Megumi
Fushimi, Soichiro
Takahashi, Sakuma
Yoshimura, Teizo
Matsukawa, Akihiro
Article History
Received: 20 July 2017
Accepted: 20 September 2017
First Online: 9 October 2017
Competing Interests
: The authors declare that they have no competing interests.