Kamiya, Kazutaka
Iijima, Kei
Nobuyuki, Shoji http://orcid.org/0000-0002-3719-0376
Mori, Yosai
Miyata, Kazunori
Yamaguchi, Takefumi
Shimazaki, Jun
Watanabe, Shinya
Maeda, Naoyuki http://orcid.org/0000-0001-6509-9054
Article History
Received: 1 August 2017
Accepted: 12 January 2018
First Online: 22 January 2018
Competing Interests
: The authors declare that they have no competing interests.