Funding for this research was provided by:
Japan Society for the Promotion of Science (21683006, 26590132)
Article History
First Online: 16 July 2017
Compliance with Ethical Standards
:
: This study was funded by the Japan Society for the Promotion of Science (KAKENHI No. 21683006 & No. 26590132).
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee 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.
: Yohsuke Ohtsubo declares that he has no conflict of interest. Ayano Yagi declares that she has no conflict of interest. Koji Kandori declares that he has no conflict of interest. Asami Matsumura declares that she has no conflict of interest.