1. Division of Medical Oncology, Department of Medicine, Duke University, Durham, NC
2. VA Informatics and Computing Infrastructure, VA Salt Lake City Health Care System, Salt Lake City, UT
3. Division of Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT
4. Department of Biostatistics, Epidemiology & Informatics, University of Pennsylvania, Philadelphia, PA
5. Perelman School of Medicine and School of Nursing, University of Pennsylvania, Philadelphia, PA
6. Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA
7. Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
8. Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA