Published on in Vol 21 , No 8 (2019) :August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14630, first published
.

1 Cornell Tech, New York, NY, US
2 Medical College, Weill Cornell Medicine, New York, NY, US
3 augGI Technologies, New York, NY, US
4 Jill Roberts Center for Inflammatory Bowel Disease, Weill Cornell Medicine, New York, NY, US