Okamoto, Akihisa
Sumi, Chisato
Tanaka, Hiromasa
Kusunoki, Munenori
Iwai, Teppei
Nishi, Kenichiro
Matsuo, Yoshiyuki
Harada, Hiroshi
Takenaga, Keizo
Bono, Hidemasa http://orcid.org/0000-0003-4413-0651
Hirota, Kiichi http://orcid.org/0000-0003-1110-0827
Article History
Received: 22 February 2017
Accepted: 8 May 2017
First Online: 19 June 2017
Competing Interests
: The authors declare that they have no competing interests.