Yuki, Dai
Sugiura, Yuki
Zaima, Nobuhiro
Akatsu, Hiroyasu
Takei, Shiro
Yao, Ikuko
Maesako, Masato
Kinoshita, Ayae
Yamamoto, Takayuki
Kon, Ryo
Sugiyama, Keikichi
Setou, Mitsutoshi
Article History
Received: 10 July 2014
Accepted: 4 November 2014
First Online: 20 November 2014
Competing interests
: The authors declare no competing financial interests.