1. Department of Family Medicine Research, Atrium Health, Charlotte, NC, USA
2. Department of Medicine, Division of General Internal Medicine, Duke University Medical Center, Durham, NC, USA
3. Department of Family Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
4. School of Medicine, University of North Carolina at Chapel Hill, NC, USA
5. Duke Vaccine and Trials Unit, Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
6. Vidant Medical Group, Vidant Medical Center, Greenville, NC, USA