Ohashi, Yukitaka http://orcid.org/0000-0003-0257-828X
Katsuta, Takumi
Tani, Haruka
Okabayashi, Taiki
Miyahara, Satoshi
Miyashita, Ryoji
Article History
Received: 9 December 2017
Revised: 13 February 2018
Accepted: 14 March 2018
First Online: 30 March 2018
Compliance with ethical standards
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of Okayama University of Science and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The authors declare that they have no conflict of interest.