Published on in Vol 7 , No 2 (2019) :Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/13849, first published
.

1 NORC at the University of Chicago, Bethesda, MD, United States
2 Centers for Medicare and Medicaid Innovation, Baltimore, MD, United States
3 Office of the Assistant Secretary for Planning and Evaluation, Washington, DC, United States