1. Division of Infectious Diseases, Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA
2. J. Craig Venter Institute, Rockville, Maryland, USA
3. Noblis, Inc., Washington, DC, USA
4. Department of Pediatrics, Duke University School of Medicine, Durham, North Carolina, USA
5. Nicholas School of the Environment, Duke University, Durham, North Carolina, USA
6. The Jackson Laboratory for Genomic Medicine, Farmington, Connecticut, USA
7. Clinical Research Institute, Durham, North Carolina, USA