1. Department of Family Medicine and Community Health, Duke University School of Medicine, Durham, NC, USA
2. Duke Cancer Institute, Durham, NC, USA
3. Department of Psychology, Barnwell College, University of South Carolina, Columbia, SC, USA
4. South Carolina Smart State Center for Healthcare Quality, University of South Carolina, Columbia, SC, USA
5. Duke Human Vaccine Institute, Durham, NC, USA
6. Department of Health Services Policy & Management, University of South Carolina, Columbia, SC, USA
7. Immunization Services Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
8. Department of Pediatrics, Duke University School of Medicine, Durham, NC, USA
9. Duke Global Health Institute, Durham, NC, USA