Funding for this research was provided by:
Japan Society for the Promotion of Science (22730483)
Telecommunications Advancement Foundation (09-01010)
Received: 26 September 2018
Accepted: 13 February 2019
First Online: 5 April 2019
Ethics approval and consent to participate
: The study was approved by the Ethical Review Board of the Graduate School of Education and Human Development, Nagoya University (18-1162). Participants provided informed consent online prior to taking part in the study. For participants under the age of 18, Goo Research confirms that they have obtained permission from a person with parental authority to register for the service and to take part in any surveys on the service.
: Not applicable.
: The author declares that he has no competing interests.
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