Watanabe, Yoshito
Ichikawa, San’ei
Kubota, Masahide
Hoshino, Junko
Kubota, Yoshihisa
Maruyama, Kouichi
Fuma, Shoichi
Kawaguchi, Isao
Yoschenko, Vasyl I.
Yoshida, Satoshi
Article History
Received: 23 February 2015
Accepted: 20 July 2015
First Online: 28 August 2015
Competing interests
: The authors declare no competing financial interests.