Published on in Vol 10, No 2 (2022): Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/35295, first published
.

1 Tokyo Institute of Technology, Institute of Innovative Research / Koike & Yoshimura Lab , Tokyo , JP
2 Technical University of Munich , Munich , DE
3 Tokyo Institute of Technology , Tokyo , JP