Published on in Vol 8, No 12 (2020): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/20625, first published
.

1 Georgia Institute of Technology , Atlanta, GA, US
2 University of Washington , Seattle, WA, US
3 Intel Labs , Santa Clara, CA, US
4 Corporate Technology, Siemens Corporation , Princeton, NJ, US
5 The University of Texas at Austin , Austin, TX, US