Yokonishi, Tetsuhiro
Sato, Takuya
Komeya, Mitsuru
Katagiri, Kumiko
Kubota, Yoshinobu
Nakabayashi, Kazuhiko
Hata, Kenichiro
Inoue, Kimiko
Ogonuki, Narumi
Ogura, Atsuo
Ogawa, Takehiko
Article History
Received: 4 January 2014
Accepted: 5 June 2014
First Online: 1 July 2014
Competing interests
: The authors declare no competing financial interests.