1. Department of Medicine and
2. Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina
3. Department of Medicine, Vanderbilt University, Nashville, Tennessee
4. Bakar Computational Health Sciences Institute, University of California San Francisco, San Francisco, California
5. Division of Research, Kaiser Permanente Northern California, Oakland, California; and
6. Department of Medicine, Cornell University, New York, New York