Published on in Vol 7, No 4 (2021): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/22931, first published
.

1 School of Electrical Engineering and Computer Science, Washington State University , Pullman, WA, US
2 Geriatrics / Gastrointestinal Oncology Service, Memorial Sloan-Kettering Cancer Center , New York, NY, US