1. Institute for Global Health and Infectious Diseases; University of North Carolina at Chapel Hill; Chapel Hill NC USA
2. University of North Carolina - Project China; Guangzhou China
3. Department of Social Medicine; University of North Carolina at Chapel Hill; Chapel Hill NC USA
4. Center for Bioethics; University of North Carolina at Chapel Hill; Chapel Hill NC USA
5. School of Medicine; University of North Carolina at Chapel Hill; Chapel Hill NC USA
6. Faculty of Infectious Diseases; London School of Hygiene and Tropical Medicine; London UK