Okada, Ken N.
Takahashi, Youtarou
Mogi, Masataka
Yoshimi, Ryutaro
Tsukazaki, Atsushi
Takahashi, Kei S.
Ogawa, Naoki
Kawasaki, Masashi
Tokura, Yoshinori
Article History
Received: 26 January 2016
Accepted: 15 June 2016
First Online: 20 July 2016
Competing interests
: The authors declare no competing financial interests.