Sakuma, Chisako
Kawauchi, Takeshi
Haraguchi, Shuka
Shikanai, Mima
Yamaguchi, Yoshifumi
Gelfand, Vladimir I.
Luo, Liqun
Miura, Masayuki
Chihara, Takahiro
Article History
Received: 18 June 2014
Accepted: 5 September 2014
First Online: 14 October 2014
Competing interests
: The authors declare no competing financial interests.