Funding for this research was provided by:
Cross-ministerial Strategic Innovation Promotion program in Japan (JPMJSV1011)
Article History
Received: 10 April 2020
Accepted: 26 August 2020
First Online: 9 September 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: This study was conducted with the approval of the ethics committee of the National Rehabilitation Center for Persons with Disabilities (Approval No. 28–187).
: Informed consent was provided by all the participants in this study. If the participants did not have sufficient decision-making ability to participate in the study, legally authorized representatives for mentally unstable participants were briefed, and consent was obtained. In addition, written and oral explanations were provided to the head of the facility, and consent was obtained from them before the experiment was conducted.