1. Lineberger Comprehensive Cancer Outcomes Program, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
2. Carolina Health Informatics Program, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
3. Division of General Medicine and Clinical Epidemiology, Department of Medicine, UNC School of Medicine, Chapel Hill, North Carolina, USA
4. Division of General Pediatrics and Adolescent Medicine, Department of Pediatrics, UNC School of Medicine, Chapel Hill, North Carolina, USA
5. Program on Health and Clinical Informatics, UNC School of Medicine, Chapel Hill, North Carolina, USA