1. Department of Molecular Genetics and Microbiology, School of Medicine, Duke University, Durham, North Carolina, USA
2. University Program in Genetics and Genomics, Duke University, Durham, North Carolina, USA
3. Department of Biological Sciences, Purdue University, West Lafayette, Indiana, USA
4. Section of Microbiology, Centre for Molecular Microbiology and Infection, Imperial College London, London, United Kingdom
5. Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
6. Department of Paediatrics, University of Oxford, Oxford, United Kingdom
7. Division of Infectious Diseases, Department of Medicine, School of Medicine, Duke University, Durham, North Carolina, USA