Published on in Vol 8, No 12 (2020): December
                                    Preprints (earlier versions) of this paper are
                                    available at
                                    https://preprints.jmir.org/preprint/22982, first published
                                    .
                                

1 Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, Gainesville, FL, United States
2 Cancer Informatics Shared Resource, University of Florida Health Cancer Center, Gainesville, FL, United States
