Published on in Vol 21, No 5 (2019): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12044, first published
.
1 University of California San Diego, La Jolla, CA, United States
2 Dana-Farber Cancer Institute, Department of Medical Oncology, Boston, MA, United States
*these authors contributed equally