Ishikawa, Shin-ichi http://orcid.org/0000-0002-6961-3484
Takeno, Yayoi
Sato, Yoko
Kishida, Kohei
Yatagai, Yuto
Spence, Susan H.
Article History
First Online: 27 March 2018
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (Doshisha University # 17002) and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.