1. Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, USA
2. Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA
3. Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland, USA
4. Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
5. Division of Infectious Diseases, Weill Cornell Medicine, New York, New York, USA
6. Lundquist Institute at Harbor-UCLA Medical Center, Torrance, California, USA