1. Department of Molecular Genetics and Microbiology, Duke University, Durham, NC 27710, USA.
2. Department of Pathology, Duke University, Durham, NC 27710, USA.
3. Program in Emerging Infectious Diseases, Duke-National University of Singapore, Singapore 169857, Singapore.
4. Undergraduate Program in Biology, Duke University, Durham, NC 27710, USA.
5. Undergraduate Program in Biomedical Engineering, Duke University, Durham, NC 27710, USA.
6. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore.
7. Infectious Diseases Group, Genome Institute of Singapore, Singapore 138672, Singapore.
8. Department of Immunology, Duke University, Durham, NC 27710, USA.
9. Department of Medicine, Duke University, Durham, NC 27710, USA.