Ushio, Masayuki http://orcid.org/0000-0003-4831-7181
Murata, Koichi
Sado, Tetsuya
Nishiumi, Isao
Takeshita, Masamichi
Iwasaki, Wataru http://orcid.org/0000-0002-9169-9245
Miya, Masaki http://orcid.org/0000-0002-9791-9886
Article History
Received: 16 October 2017
Accepted: 1 March 2018
First Online: 14 March 2018
Competing Interests
: The authors declare no competing interests.