Hashimoto, Yoshihide
Hattori, Shinya
Sasaki, Shuji
Honda, Takako
Kimura, Tsuyoshi
Funamoto, Seiichi
Kobayashi, Hisatoshi
Kishida, Akio
Article History
Received: 12 February 2016
Accepted: 24 May 2016
First Online: 13 June 2016
Competing interests
: The authors declare no competing financial interests.