Published on in Vol 9, No 8 (2021): August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/29807, first published
.

1 Department of Mathematics, Pohang University of Science and Technology, Pohang-si, Korea, Republic of
2 Office of eHealth Research and Businesses, Seoul National University Bundang Hospital, Seongnam-si, Korea, Republic of
3 AMSquare Corporation, Pohang-si, Korea, Republic of
*these authors contributed equally