Takeuchi, Yoichi http://orcid.org/0000-0001-7031-0651
Ojima, Yoshie
Kagaya, Saeko
Aoki, Satoshi
Nagasawa, Tasuku
Article History
Received: 19 December 2017
Accepted: 5 March 2018
First Online: 14 March 2018
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee at which the studies were conducted (IRB Approval Number 14-22) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.