Yagura, Kazuma
Shinoda, Kei
Matsumoto, Soiti
Terauchi, Gaku
Kawashima, Makoto
Watanabe, Emiko
Matsumoto, Harue
Iwata, Takeshi
Mizota, Atsushi
Miyake, Yozo
Article History
Received: 17 March 2016
Accepted: 13 July 2016
First Online: 5 August 2016
Competing interests
: The authors declare no competing financial interests.