Shiga, Hideaki http://orcid.org/0000-0001-7218-154X
Taki, Junichi
Okuda, Koichi http://orcid.org/0000-0003-0010-6844
Watanabe, Naoto
Tonami, Hisao
Nakagawa, Hideaki
Kinuya, Seigo
Miwa, Takaki
Article History
Received: 15 November 2016
Accepted: 5 May 2017
First Online: 15 June 2017
Competing Interests
: The authors declare that they have no competing interests.