Qin, F.
Shi, W.
Ideue, T.
Yoshida, M. http://orcid.org/0000-0003-4867-3362
Zak, A.
Tenne, R.
Kikitsu, T.
Inoue, D.
Hashizume, D.
Iwasa, Y.
Article History
Received: 6 August 2016
Accepted: 3 January 2017
First Online: 16 February 2017
Competing interests
: The authors declare no competing financial interests.