Funding for this research was provided by:
Japan Society for the Promotion of Science (18H02518)
Received: 14 April 2020
Accepted: 16 August 2020
First Online: 10 September 2020
Ethics approval and consent to participate
: This research was approved by the Ethics Committee of the Faculty of Design, Kyushu University (Approval number 269). Written informed consent was obtained from all participants prior to their participation in this study.
: Not applicable.
: The authors declare that they have no conflict of interest.