Tatematsu, Yukako
Ogawa, Yoko
Abe, Takayuki
Kamoi, Mizuka
Uchino, Miki
Saijo-Ban, Yumiko
Yaguchi, Saori
Mukai, Shin
Mori, Takehiko
Okamoto, Shinichiro
Tsubota, Kazuo
Article History
Received: 27 May 2014
Accepted: 29 September 2014
First Online: 22 October 2014
Competing interests
: The authors declare no competing financial interests.