Miyamoto, Ryo
Koike, Shin
Takano, Yoko
Shibuya, Norihiro
Kimura, Yuka
Hanaoka, Kenjiro
Urano, Yasuteru
Ogasawara, Yuki
Kimura, Hideo
Article History
Received: 29 December 2016
Accepted: 7 March 2017
First Online: 5 April 2017
Competing interests
: The authors declare no competing financial interests.