Funding for this research was provided by:
Japan Agency for Medical Research and Development (JP19he2002016)
Article History
Received: 21 November 2020
Accepted: 9 September 2021
First Online: 22 October 2021
Declarations
: This study was approved by the Ethical Committee of the University of Tokyo (19–332).
: The authors declare no conflicts of interest directly relevant to the contents of this manuscript or otherwise.
: Informed consent was obtained from all participants in this study. For participants lacking sufficient decision-making ability, consent was obtained from their legally authorised representatives after due briefing. In addition, written and oral explanations were provided to the head of the nursing-home facility, and their due consent was obtained prior to the commencement of this study.
: All participating authors have provided their due consent for publishing this article in the <i>Journal of Intelligent & Robotic Systems</i>.