Sengoku, Toru http://orcid.org/0000-0001-9461-8714
Suzuki, Takehiro
Dohmae, Naoshi
Watanabe, Chiduru http://orcid.org/0000-0002-0742-3896
Honma, Teruki http://orcid.org/0000-0003-3761-9504
Hikida, Yasushi http://orcid.org/0000-0001-9770-1599
Yamaguchi, Yoshiki http://orcid.org/0000-0003-0100-5439
Takahashi, Hideyuki
Yokoyama, Shigeyuki http://orcid.org/0000-0003-3133-7338
Yanagisawa, Tatsuo http://orcid.org/0000-0002-4911-344X
Article History
Received: 26 January 2017
Accepted: 13 December 2017
First Online: 13 February 2018
Competing interests
: The authors declare no competing financial interests.