Tokiwa, Y.
Yamashita, T.
Udagawa, M.
Kittaka, S.
Sakakibara, T
Terazawa, D.
Shimoyama, Y.
Terashima, T.
Yasui, Y.
Shibauchi, T. http://orcid.org/0000-0001-5831-4924
Matsuda, Y.
Article History
Received: 26 May 2015
Accepted: 22 January 2016
First Online: 25 February 2016
Competing interests
: The authors declare no competing financial interests.