1First Databank, Inc., South San Francisco, CA 94080, United States.
2Department of Medicine, Laboratory of Computer Science, Massachusetts General Hospital, Boston, MA, 02160, United States.
3Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, United States.
4Department of Medical Informatics, University at Buffalo, Buffalo, NY, 14203, United States.
5Department of Community and Global Health, Richard M. Fairbanks School of Public Health, Indiana University Indianapolis, Indianapolis, IN, 46202, United States.
6HealthTap, Inc., Sunnyvale, CA, 94088, United States.
7McWilliams School of Biomedical Informatics, The University of Texas Health Science Center at Houston, TX, 77030, United States.
8Division of General Internal Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, TX, 77030, United States.