Terashima, Yuto http://orcid.org/0000-0002-5410-8274
Takai, Jiro
Article History
First Online: 10 August 2017
Compliance with Ethical Standards
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the university research review committee of the affiliation of the authors, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All subjects were fully informed of the purpose of the experiment, upon which they consented to participate, and if they did, they were thoroughly advised of their rights as participants, and the experimental procedures before making their decision to participate.
: This research was self-funded, conducted entirely on the initiative of the first author, and there was no funding from outside sources aside from the authors, and their university.
: The authors declare that there was no conflict of interest in this research project.