Sawami, Kazue, Mitsuo Kimura, Tetsuro Kitamura, Masahiko Kawaguchi, Mihoko Furusumi, Chizuko Suishu, Naoko Morisaki, and Sonomi Hattori. 2020. “Robots Visit Homes For Elderly People Who Have Difficulty Going Out and Practice Brain Training”. European Journal of Medical and Health Sciences 2 (1). https://doi.org/10.24018/ejmed.2020.2.1.156.