Published on in Vol 8, No 12 (2020): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/25137, first published
.
1 Department of Biomedical Engineering, Duke University, Durham, NC, United States
2 Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, United States