1. Carolina Health Informatics Program, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
2. Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, the Netherlands
3. Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, USA
4. Division of General Medicine and Clinical Epidemiology, Department of Medicine, UNC School of Medicine, Chapel Hill, North Carolina, USA
5. Division of General Pediatrics and Adolescent Medicine, Department of Pediatrics, UNC School of Medicine, Chapel Hill, North Carolina, USA
6. Program on Health and Clinical Informatics, UNC School of Medicine, Chapel Hill, North Carolina, USA