Published on in Vol 20 , No 7 (2018) :July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/10405, first published
.

1 HealthLoop Inc, Mountain View, CA, United States
2 Department of Hospital Medicine, Kaiser Permanente, Santa Clara, CA, United States
3 Anthem Inc, Atlanta, GA, United States
4 Independent Consultant, Lake Forest, CA, United States