Published on in Vol 10, No 10 (2021): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/30725, first published
.

1 The University of Tokyo Hospital , Tokyo , JP
2 Japan Telemedicine Society , Gunma , JP
3 Saitama Medical University International Medical Center , Saitama , JP
4 Kansai Medical University , Osaka , JP