Uchida, Takahiro
Nakashima, Hiroyuki
Yamagata, Akira
Ito, Seigo http://orcid.org/0000-0001-7080-3157
Ishikiriyama, Takuya
Nakashima, Masahiro
Seki, Shuhji
Kumagai, Hiroo
Oshima, Naoki
Article History
Received: 9 January 2018
Accepted: 14 May 2018
First Online: 29 May 2018
Competing Interests
: The authors declare no competing interests.