Funding for this research was provided by:
Grants-in-Aid for Scientific Research from the Japan Society for the Promotion of Science (15K21031)
the ERATO Touhara Chemosensory Signal Project
the Center of Innovation Program from the Japan Science and Technology Agency, JST, Japan
Text and Data Mining valid from 2018-08-04
First Online: 4 August 2018
Compliance with Ethical Standards
: All the authors declares that they have no conflict of interest.
: All procedures involving human participants were conducted in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Participants were recruited from Kanazawa University. After a complete explanation of the study, all the participants and their parents provided written, informed consent. All participants and their parents agreed to participate in the study.