1. Department of Health Behavior, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
2. Division of Infectious Diseases, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. Department of Social Medicine, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
4. Center for Bioethics, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
5. Institute for Global Health and Infectious Diseases, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA