Miyagawa, Takero
Koteishi, Hiroyasu http://orcid.org/0000-0001-5115-0963
Kamimura, Yoichiro
Miyanaga, Yukihiro
Takeshita, Kohei
Nakagawa, Atsushi http://orcid.org/0000-0002-1700-7861
Ueda, Masahiro http://orcid.org/0000-0002-9354-3404
Article History
Received: 19 March 2018
Accepted: 10 October 2018
First Online: 6 November 2018
Competing interests
: The authors declare no competing interests.